Hiding twin ultrasound

What you can expect to see. During the 16-week scan, you can expect to see a baby that is fully formed but just very small. But, if their development is on track, you should still be able to see ...

Here is what you can expect in your 9-week ultrasound scan: Your baby will measure about 2.3 cm and weigh close to 2 grams. You will be able to see his head, body, and limbs. By now your baby will no more be an embryo and will be a foetus. The heartbeat of a foetus can also be picked up in a 9-week ultrasound scan.Jan 26, 2024 · At the 19-week ultrasound, we found out it was twins. ∼ FDGtwin. Ultrasound at 6 weeks only 1 baby… 16 weeks 2 babies. ∼ DGW. 8 weeks, one baby and 12 weeks two babies – ke l leyella. 18 weeks. 8-week ultrasound – one baby, 12 weeks – one baby. Anatomy scan at 20 weeks! In twin pregnancy, screening for trisomy 21 can be performed in the first trimester using the combined test, which includes maternal age, NT measurement and serum β-hCG and PAPP-A levels. An alternative is the combina-tion of maternal age and the NT recorded between 11. 0 and 13 6 weeks of gestation1. In case of.While ultrasounds may be immediately associated with pregnancy, there are other times when a physician might order this diagnostic test. Whether your health insurance will cover an...Ultrasound scans are usually done through the abdomen, but early in pregnancy, they’ll be done through the vagina. A basic ultrasound takes about 15 to 20 minutes. A more detailed twin ultrasound scan can take anywhere from 30 to 90 minutes or more. All twins can be detected after week 6+0.Hidden twin stories! k. Koranju. Posted 04-23-18. I posted some time back about my fundal height being crazy high for the number of weeks I am. It has remained high. I'm 18 weeks now and my uterus ...11-14 Week Ultrasound. The ultrasound scan performed between the 11th and 14th week is commonly referred to as a dating scan. This scan is instrumental in determining the precise number of weeks into your pregnancy and providing an estimated due date. Related: 14 week ultrasound. 18-22 Week UltrasoundSuch “hidden twins” are more likely to occur when the twins are monochorionic (have one chorion, the outer fetal membrane) and positioned closely in their single chorionic sac. However, after 20 weeks of pregnancy, the fetuses have grown enough that a second fetus would be clearly visible on ultrasound, and it would be very unlikely that ...

In uncomplicated dichorionic twin pregnancy, ultrasound imaging should be performed in the first trimester, again at around 20 weeks' gestation (second-trimester anomaly scan), and every 4 weeks thereafter (unless a complication is detected which might require more frequent scans) (Figure 2) 1. In uncomplicated monochorionic twins, …Second Trimester with Twins: Your Twin Babies at 14 Weeks Pregnant. Your babies are packing on their weight. Around 3.4 inches long and weighing twice as much as week 13, you can expect them to be around 1.5 ounces at maximum. They’re about the size of a large peach right now, or a small clenched fist. Fully developed, your babies are …Sonographic examination is the only means to identify zygosity antenatally. If the genders of the two fetuses are opposite, the pregnancy must be dizygotic and dichorionic. Because these twin gestations have the lowest risk for anomalies. 32. and antenatal complications, gender identification is important.Can you miss twins at 7 week ultrasound? Twins can be missed at 7 weeks or at any gestation. It’s hard to believe but one gestational sac can hide behind another. One developing baby can be almost like a shadow of the other and difficult to detect. Heartbeats can be so in sync that it is hard to distinguish one from the other.Symptoms at 8 weeks pregnant with twins. You may already have experienced several pregnancy related symptoms like: Morning sickness. Feeling bloated and tired. Sore or tense breasts. Round ligament pain. You feel round ligament pain as pain or tenderness in your abdomen. Round ligaments surround your uterus in your pelvis.

Abstract. Ultrasound has revolutionised the management of multiple pregnancies and their complications. Increasing frequency of twin pregnancies mandates familiarity of all clinicians with the relevant pathologies and evidence-based surveillance and management protocols for their care. In this review, we summarise the latest evidence relating ... An ultrasound scan at around six to eight weeks can detect twins during a pregnancy. Signs of a twin pregnancy include early fetal movement, movement in different areas of the abdomen, a greater fundal height, rapid weight gain, and high levels of pregnancy hormones. However, the only way to definitively confirm a twin pregnancy is through an ... At around six weeks, twins (or more) can be seen on an ultrasound, though one baby could be missed at this early stage. A heartbeat can sometimes be seen in one sac but not in the other. In a week or two, scanning could reveal a second heartbeat, or the scan could reveal that one sac is growing while the other is still empty. DarthMutter8. •. I am 21 weeks pregnant and just came back from my anatomy scan. We found out we are having twin girls! I didn't have an earlier ultrasound but twins were not on our radar. There are a few twins on my husbands distance side of the family but none at all on mine. So shocking! Congratulations to you guys! Just a little freaked out- One twin baby hiding during ultrasound, hb visible. So my wife is 7 weeks and 3 days pregnant with twins (2 different sacks). We went for our first abdominal ultrasound at the hospital (my wife couldn't do the vaginal ultrasound). The doc confirmed the twin pregnancy and told us baby B is healthy and it's heart is ...That's a good heart rate. I'd try not to worry. It happens that I have had an ultrasound of a baby who was sadly dying & the heart rate was much lower, like in the 90s. You can take a look at this abstract and see if it makes you feel better. This one might as well. Neither of those discusses twin pregnancies, but this one does (PDF warning), & unless there was …

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Welcome to BLUE times TWO!!! A channel where I talk all about my identical twin pregnancy.Here I talk about finding out I'm pregnant, then finding out it wa...Twins could measure behind simply based on genetics. If a woman is small in stature and her husband is the same, their babies will most likely be smaller as well. Most twins grow at the same rate as singletons for most of the pregnancy. Twins’ growth rate tends to slow around weeks 30-32 due to the twins competing for nutrients and space as ...Vanishing twin syndrome (VTS) is a miscarriage that causes a pregnancy involving twins to become a pregnancy involving one baby. It occurs when one of the … In twin pregnancy, screening for trisomy 21 can be performed in the first trimester using the combined test, which includes maternal age, NT measurement and serum β-hCG and PAPP-A levels. An alternative is the combina-tion of maternal age and the NT recorded between 11. 0 and 13 6 weeks of gestation1. In case of.

So if the babies share the same amniotic sac, one can be hidden behind the other during the ultrasound making one twin go undetected. Of course, the twin can not hide till birth. Regular ultrasounds will indeed expose him. But till then, it will be a mystery and may come as a surprise later on! Insufficient Prenatal CareIn this review, we summarise the latest evidence relating to ultrasound surveillance of twin pregnancies including first trimester assessment and screening, …Get out! r/parentsofmultiples. When my twin and I were born in 1968 in the UK scans werent the norm, Mum found out she was having twins 6 weeks before we were born!!! I was around 10 weeks when they “found” the second baby. I conceived via IVF so I knew I was pregnant really early on. Had an ultrasound too.Sep 30, 2021 · The 12-week ultrasound is usually an external scan. (In occasional cases, an internal — known as transvaginal — scan may be necessary if the external scan can’t produce a clear image.) You ... Monoamniotic twin pregnancies are rare, with an estimated incidence of only 8 per 100,000 pregnancies, 1. and result from a single fertilized egg and embryo splitting between 9 and 13 days after fertilization. The main characteristic of monoamniotic twin pregnancies is a single shared placenta and amniotic cavity.In twin pregnancy, screening for trisomy 21 can be performed in the first trimester using the combined test, which includes maternal age, NT measurement and serum β-hCG and PAPP-A levels. An alternative is the combina-tion of maternal age and the NT recorded between 11. 0 and 13 6 weeks of gestation1. In case of.The hidden twin on ultrasound commonly occurs in the first trimester of pregnancy. Because the embryo is smaller, it is difficult to both see the baby and hear his heartbeat. … Twins Hiding During Ultrasound? by Susie (Portage, Wisconsin, USA) My sister-in-law is pregnant with twins. She had IUI done because she has fertility issues as well as her husband. 2 weeks ago she had her first ultrasound at 8 weeks along with the fertility specialist. They saw 2 sacs, 2 babies, 2 heartbeats. In twin pregnancy, screening for trisomy 21 can be performed in the first trimester using the combined test, which includes maternal age, NT measurement and serum β-hCG and PAPP-A levels. An alternative is the combina-tion of maternal age and the NT recorded between 11. 0 and 13 6 weeks of gestation1. In case of.

MY IDENTICAL TWINS, DETECTED ON MY 6TH ULTRASOUND AT 26 WEEKS, ARE LIVING PROOF OF THAT! my sons, born 7/9/09, are male mo-mo twins which account for .75% of all twins which could be the reason for all this hiding business. i had my first ultrasound @ 13 weeks, and 5 subsequent ultrasounds between 13-26 weeks …

My HCG has been super high, approximately double the top end of the normal ranges for how far along I've been. (They're even high for twin averages on BetaBase.) My doctor says he hasn't seen HCG levels so high in a normal pregnancy that wasn't twins and wants to rescan in two weeks. He acted like it wasn't uncommon to miss an identical …Aug 3, 2023 · To determine when twins can be seen on ultrasound, it’s essential to consider their size and gestational age. Typically, at around five or six weeks into your pregnancy, a skilled sonographer may be able to detect twin pregnancies by using transvaginal ultrasound. This early in the game, the embryos might appear as small flickering sacs ... Sep 4, 2020 ... Dr. Wilshire demonstrates the ultrasound findings of a twin pregnancy at 5 and 5/7 weeks gestation. These are completely normal looking sacs ...Factors such as the timing of ultrasound examinations, variations in fetal position, and size differences between the fetuses can contribute to the hiding of a twin. It is important for expectant parents and medical professionals to be aware of the possibility of a hidden twin, as it can potentially impact the course of the pregnancy and delivery.Hi girls We just went for our 19 week ultrasound yesterday and was super excited to see my LO! However we was lying face down (bottom up) all the time. Doc said he is resting on my placenta. Is this normal? Has it happened to someone else here? Thanks! :) Hi girls We just went for our 19 week ultrasound yesterday and was super …Unless it's too early in your pregnancy to see the baby (up to around 8 weeks), it's unlikely the baby can be hiding from the ultrasound. The baby grows in its sac and can't move outside of this. The scan can cover this area entirely, so it's very unlikely that the baby can be out of view. ... There's a very small chance that a twin may be ...Six weeks is still so early my ultrasound at six weeks missed one. Like. m. miapapillon. I think it’s pretty common. First ultrasound at 7w and saw one baby one heartbeat, just had another one at 12w and tech clearly saw two babies/two heartbeats. Total shocker! Like.Technically, a twin can hide out in your uterus, but only for so long. It’s not unheard of for a twin pregnancy to go undetected in early ultrasounds (say, around 10 weeks). ... Can you have a surprise twin? Ultrasound can tell us a lot about a pregnancy, but it’s not always perfect. This is particularly true in the early months of ...Jun 13, 2012 · I also have two girls - 3 and 2 years old, so this is not my first time at the. "rodeo." I found out I was pregnant at 3 wks. Before the stick even. dried I knew this pregnancy was different - maybe twins. Since then, I have. gained 12 lbs. (I am 5'9", now 145 lbs, and only gained 23 lbs with each. of my previous pregnancies).

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Serial sonographic monitoring is common practice. In an uncomplicated monochorionic twin pregnancy, TTTS screening should start from 16 weeks gestation with assessment of fetal growth, deepest vertical pockets, and umbilical arterial pulsatility index (UA-PI) performed every two weeks. Detailed morphology ultrasound is routine at 20 …Your Twin Babies at 18 Weeks Pregnant. Some time in the next few weeks, you might feel a wonderful sensation for the first time. Your babies moving around inside your tummy. They’ve been doing it for weeks, but now they’re getting big enough and strong enough that you’re starting to pick up on it. Pretty soon, it’ll be a regular ...Identical twins that share a single placenta are called monochorionic twins (MC). “Chorion” is the Latin root that refers to the placenta, while the word “amnion” refers to the sac, or “membranes” that surround each fetus. While fraternal twins (2 eggs and 2 sperm) are always surrounded in their own sacs and have their own ...The most accurate means of dating a twin gestation by ultrasound is unknown. While limited evidence supports using the crown-rump length from the smaller fetus and 2nd/3rd trimester biometric assessments from the larger, societal guidelines favor the larger crown-rump length based on expert opinion. Hence, our objective was to evaluate which ultrasound measurements are most reliable for ...Jul 12, 2019 ... I GOT PREGNANT WHEN I WAS ALREADY PREGNANT | Hidden Twin | Surprise Ultrasound | Twin Pregnancy. Rebecca Roberts•269K views · 10:44 · Go to ...Today I went in for my first appointment (exactly 8 weeks today!) and the Dr. did a scope (vaginal) ultrasound and told me that my uterus was tilted so it was…BabyCenter is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. Our content is doctor approved and evidence based, and our community is moderated, lively, and welcoming.With thousands of award-winning articles and community groups, you can track your pregnancy and baby's growth, get … Your twins share an amniotic sac. Sometimes twins develop their own individual sacs, but when they share one, it increases the likelihood that one twin could be hiding during an early ultrasound. These twins are called monochorionic monoamniotic (or mo/mo twins, for short). Your hidden baby is super stealthy. Jun 13, 2012 · I also have two girls - 3 and 2 years old, so this is not my first time at the. "rodeo." I found out I was pregnant at 3 wks. Before the stick even. dried I knew this pregnancy was different - maybe twins. Since then, I have. gained 12 lbs. (I am 5'9", now 145 lbs, and only gained 23 lbs with each. of my previous pregnancies). Sonography of Twins (ultrasound of twins)In this video you will learn how to identify the chorionicity and amnionicity of multiple pregnancies in first and s...At 28 weeks pregnant with twins, your babies are growing and you're probably experiencing a number of late pregnancy symptoms. Pregnancy symptoms at this time include Braxton Hicks contractions, varicose veins and spider veins, constipation, hemorrhoids, weight gain, and heartburn. Your babies’ movements may start to feel a little different ... ….

Twin Ultrasound at 12 Weeks. A baby at 12 weeks is basically fully developed, and now just has to grow. That means if you have an ultrasound, they’re going to look recognisably like a person. You’d also be surprised with how much your babies are going to be moving around at 12 weeks. Not only are they going to be flexing limbs and opening ...I also have two girls - 3 and 2 years old, so this is not my first time at the. "rodeo." I found out I was pregnant at 3 wks. Before the stick even. dried I knew this pregnancy was different - maybe twins. Since then, I have. gained 12 lbs. (I am 5'9", now 145 lbs, and only gained 23 lbs with each. of my previous pregnancies).Unless it's too early in your pregnancy to see the baby (up to around 8 weeks), it's unlikely the baby can be hiding from the ultrasound. The baby grows in its sac and can't move outside of this. The scan can cover this area entirely, so it's very unlikely that the baby can be out of view. ... There's a very small chance that a twin may be ...It's highly unlikely. Many people see weird things in the background of their ultrasounds. Here's a cat photobomb. Highly unlikely. Like Kim said, lots of people "see" weird things in their ultrasound. It's like when people "see" things on their toast or in the clouds. I doubt they would miss a twin that far along.Hi girls We just went for our 19 week ultrasound yesterday and was super excited to see my LO! However we was lying face down (bottom up) all the time. Doc said he is resting on my placenta. Is this normal? Has it happened to someone else here? Thanks! :) Hi girls We just went for our 19 week ultrasound yesterday and was super …Are you considering a career as an ultrasound technician? Pursuing this field can be both rewarding and challenging, as it requires a specialized skill set and knowledge. One signi...Its hard to tell with the 4D ultrasound tbh usually you’d be able to see two yolk sacs then. 1. Like. Cooki3CatKayla. Jul 13, 2023 at 7:50 AM. @mdc1999, not necessarily, they don't always have a separate sac. they can share the same sac as well. if they are identical twins it's a chance they can not only share the same sac but even share the ...Feb 21, 2024 · Years ago a women I knew had her 12 week scan only one baby at her 21 weeks scan they found a second one was hiding behind the other. 1. Like. L. LDHmom. Feb 21, 2024 at 12:14 PM. Yes.. third ultrasound at 12 weeks is when we found out! 3. Like. 6 week ultrasound – twins. Many parents are curious to know if they’re having twins! Seeing twins at 6 weeks is definitely possible. The exact time twins can be detected depends on the type of twins, for example, if they’re identical (from one egg) or not. At this stage, the presence of two yolk sacs can be seen, and separate heartbeats ... Jan 11, 2024 · In some cases, the hiding twin may be detected during subsequent ultrasounds or screenings as the pregnancy progresses. As the fetus grows and changes position, it may become easier to see both twins on the ultrasound, even if one was initially hiding. It is important to note that the occurrence of a hidden or vanishing twin is relatively rare. Hiding twin ultrasound, We saw a baby with a heartbeat and moving around! About 10-15 minutes in, as the technician held the picture on the ultrasound, I made a joke saying “when you hold it like that it looks like there are two babies.”. I said this because I saw two ovals. She then said “actually...there are two.”., Celebrity siblings often make epic pairings — but what about celebrity twins? While the power of twin relationships is undoubtedly strong, things tend to get complicated when celeb..., The hidden twin on ultrasound commonly occurs in the first trimester of pregnancy. Because the embryo is smaller, it is difficult to both see the baby and hear his heartbeat. Although a hidden twin will most likely be seen during the second trimester, there are still cases where the twin goes undetected even after numerous ultrasound examinations., An ultrasound scan at around six to eight weeks can detect twins during a pregnancy. Signs of a twin pregnancy include early fetal movement, movement in different areas of the abdomen, a greater fundal height, rapid weight gain, and high levels of pregnancy hormones. However, the only way to definitively confirm a twin pregnancy is through an ... , That's a good heart rate. I'd try not to worry. It happens that I have had an ultrasound of a baby who was sadly dying & the heart rate was much lower, like in the 90s. You can take a look at this abstract and see if it makes you feel better. This one might as well. Neither of those discusses twin pregnancies, but this one does (PDF warning), & unless there was …, Tip 1: Understand the Basics of a Real Ultrasound. To spot a fake pregnancy ultrasound, you need to know what a real one looks like. Familiarise yourself with the typical elements of a real ultrasound image, including the ultrasound machine display, labels, and the anatomy being examined. On a real ultrasound, you should see the fetus and the ..., Stories of hidden twin. m. mayacentaur. Apr 10, 2021 at 12:45 PM. Had my 8 wk US.Single sac, one baby measuring at 8w2d. BUT, I was so sure it was twins. How easy is it to miss a hidden twin in an 8w US? I generally think it's rare that in this day & age of modern science, it would be next to impossible to miss another baby at 8 weeks., MY IDENTICAL TWINS, DETECTED ON MY 6TH ULTRASOUND AT 26 WEEKS, ARE LIVING PROOF OF THAT! my sons, born 7/9/09, are male mo-mo twins which account for .75% of all twins which could be the reason for all this hiding business. i had my first ultrasound @ 13 weeks, and 5 subsequent ultrasounds between 13-26 weeks gestation (because my uterus ..., Nina - February 4. hi yes it happened with me. i did 1st ultra on 6weeks 4 days it shows one heart beat.i did it 3 days ago it shows i am having a twins.Im now week 11.send me mails to [email protected] to share info., Nov 16, 2013 ... Surprise at the ultrasound!! Pregnancy 21 weeks. Dr. Silvio Omori · 23M views ; the story of our surprise twins. Priscilla Brown · 379K views., Dec 15, 2020 ... ... hiding if there's a second one. but I think I think there's just one. I'm I'm so okay with they're just being one too. I think that's l..., Your Twin Babies at 13 Weeks Pregnant. This far along, your babies are growing fast. A singleton would be around the size of a lemon or nectarine right now, almost 3 inches long and close to an ounce in weight. Generally around 0.8 ounces. Twins are normally a little smaller than that, but not by much., Technically, a twin can hide out in your uterus, but only for so long. It’s not unheard of for a twin pregnancy to go undetected in early ultrasounds (say, around 10 weeks). Can a baby hide on an ultrasound at 10 weeks? Ultrasound can tell us a lot about a pregnancy, but it’s not always perfect., Aug 8, 2023 · Thanks to technological advances and more detailed ultrasound imagery, missing hidden twins at 6 weeks doesn’t happen often. But it is possible ‒ all it takes is for one embryo to be in front of the other for the ultrasound, but they have to be pretty perfectly in place for your ultrasound technician to miss them. , Aug 8, 2023 · Thanks to technological advances and more detailed ultrasound imagery, missing hidden twins at 6 weeks doesn’t happen often. But it is possible ‒ all it takes is for one embryo to be in front of the other for the ultrasound, but they have to be pretty perfectly in place for your ultrasound technician to miss them. , At the 19-week ultrasound, we found out it was twins. ∼ FDGtwin. Ultrasound at 6 weeks only 1 baby… 16 weeks 2 babies. ∼ DGW. 8 weeks, one baby and 12 weeks two babies – ke l leyella. 18 weeks. 8-week ultrasound – one baby, 12 weeks – one baby. Anatomy scan at 20 weeks!, Babies in the womb are also sensitive to external stimuli, such as sound and light. During an ultrasound, the bright lights and loud noises from the equipment can be overwhelming for the baby, causing them to move away or hide their face. Additionally, the position of the baby’s placenta can also affect their behavior during an ultrasound., Years ago a women I knew had her 12 week scan only one baby at her 21 weeks scan they found a second one was hiding behind the other. 1. Like. L. LDHmom. Feb 21, 2024 at 12:14 PM. Yes.. third ultrasound at 12 …, 11-14 Week Ultrasound. The ultrasound scan performed between the 11th and 14th week is commonly referred to as a dating scan. This scan is instrumental in determining the precise number of weeks into your pregnancy and providing an estimated due date. Related: 14 week ultrasound. 18-22 Week Ultrasound, What you can expect to see. During the 16-week scan, you can expect to see a baby that is fully formed but just very small. But, if their development is on track, you should still be able to see ..., Serial sonographic monitoring is common practice. In an uncomplicated monochorionic twin pregnancy, TTTS screening should start from 16 weeks gestation with assessment of fetal growth, deepest vertical pockets, and umbilical arterial pulsatility index (UA-PI) performed every two weeks. Detailed morphology ultrasound is routine at 20 …, A full bladder is needed during an ultrasound because it helps to provide the best image, as stated by the National Institutes of Health. When the bladder is full, the uterus is mo..., Twins were missed on the first at 6 weeks because one was hiding. At 8 weeks it was very obvious. The ultrasound tech kept us in the room until she was able to to get my ob on the phone for a consult on next steps. If your care team suspected twins, they would tell you. 1., American Institute of Ultrasound in Medicine - AIUM.org. Fetal size: Length measures 1.61 inches from crown to rump.Weight is just 0.25 ounces. Fetal development milestones: Little arms and legs ..., Can you miss twins at 7 week ultrasound? Twins can be missed at 7 weeks or at any gestation. It’s hard to believe but one gestational sac can hide behind another. One developing baby can be almost like a shadow of the other and difficult to detect. Heartbeats can be so in sync that it is hard to distinguish one from the other., Babies in the womb are also sensitive to external stimuli, such as sound and light. During an ultrasound, the bright lights and loud noises from the equipment can be overwhelming for the baby, causing them to move away or hide their face. Additionally, the position of the baby’s placenta can also affect their behavior during an ultrasound., The hidden twin on ultrasound commonly occurs in the first trimester of pregnancy. Because the embryo is smaller, it is difficult to both see the baby and hear his heartbeat. Although a hidden twin will most likely be seen during the second trimester, there are still cases where the twin goes undetected even after numerous ultrasound examinations., Ask your question. can a vanishing twin actually be hidden? i am 35 have and have 10 living children, 4 miscarriages . 6 week sonogram clearly showed 1 baby. 8 week sonogram showed 1 baby with heartbeat and another sac partially hidden behind baby. it definitely wasn't eas: Yes: It sounds like a retained dead twin that was small and not so muc., B. BellFam18. They missed my twin on my 6 week scan, found them 10 days later to check and make sure baby's heartbeat was going up. She said in 35 years this is only the second time she's ever seen it happen. They think I may have ovulated twice. Like., Jun 25, 2019 · Welcome to BLUE times TWO!!! A channel where I talk all about my identical twin pregnancy.Here I talk about finding out I'm pregnant, then finding out it wa... , DarthMutter8. •. I am 21 weeks pregnant and just came back from my anatomy scan. We found out we are having twin girls! I didn't have an earlier ultrasound but twins were not on our radar. There are a few twins on my husbands distance side of the family but none at all on mine. So shocking! Congratulations to you guys!, An ultrasound scan at around six to eight weeks can detect twins during a pregnancy. Signs of a twin pregnancy include early fetal movement, movement in different areas of the abdomen, a greater fundal height, rapid weight gain, and high levels of pregnancy hormones. However, the only way to definitively confirm a twin pregnancy is through an ... , I also have two girls - 3 and 2 years old, so this is not my first time at the. "rodeo." I found out I was pregnant at 3 wks. Before the stick even. dried I knew this pregnancy was different - maybe twins. Since then, I have. gained 12 lbs. (I am 5'9", now 145 lbs, and only gained 23 lbs with each. of my previous pregnancies).