how many weeks can you tell if you are having twins?
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"You can guess as much as you want, but until you have the ultrasound examination, it's all just speculation," says Dr. Grunebaum. Luckily, most mamas don't have to wait long to know for sure. "Today, twins can usually be diagnosed as early as six to seven weeks of the pregnancy," he adds.
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Most first-time moms of twins don't feel fetal movement, or quickening, until 18 to 20 weeks — about the same average for singletons. (That said, if this is your second or later pregnancy, you're more likely to feel the flutterings faster.)
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However, there is a very small chance that a twin can be missed on a scan, particularly during early pregnancy. Finding Out You're Expecting Twins In most cases, if you're expecting twins or more then you will find out as soon as you have your first ultrasound scan.
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All fraternal twins and 20 to 30 percent of identical twins have separate placentas. By 18 to 20 weeks, a technician may be able to identify the babies' sex, assuming that both are positioned such that the technician can get a good look at their genitals.
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Twins are usually born around 36 weeks -- four weeks early. Triplets arrive at about 33 weeks, and quads often make their debut at 31 weeks.
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Those early positives might be one clue that you're having twins, but don't count on it. Here's why: Home pregnancy tests look for the presence of human chorionic gonadotropin (hCG) in your urine, and levels of that hormone are indeed higher in multiple pregnancies — but not right away.
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Identical (monozygotic) twins occur when a single egg is fertilized by a single sperm and divides into two embryos. This split can occur at any stage up to nine days after fertilization and its timing is critical to the way the placenta(s) and amniotic sac(s) are formed.
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The only way to confirm a twin or multiple pregnancy is by visually identifying the multiple fetuses with ultrasound. If your doctor or caregiver can only see one baby, it is not likely that you're having twins or multiples. ... After 20 weeks, a second fetus should be clearly visible on ultrasound.
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Many women strive to reach 38 weeks, considered full-term in a twin pregnancy, to increase the odds that their babies will be born healthy and at a good weight. Low birth weight due to preterm delivery.
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Since twins tend to be born early, it is common for them to have developmental delays since they just didn't have enough time to fully develop in the womb. ... For example, if your twins are born prematurely as compared to the average 36 to 38 weeks of the twin pregnancy, they may have more complications.
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Twins are more likely to be born early, often before 38 weeks, so it's important to understand your birth options. Less than half of all twin pregnancies last beyond 37 weeks. Some hospitals have cots that allow your twins to sleep together.
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When twins are born, the physician is usually able to identify whether twins are identical or fraternal by examining the placenta; identical twins generally share a placenta, while fraternal twins are usually in two separate placentas.
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All pregnancies are different, of course, but generally twin pregnancies stand out from single pregnancies on a number of points. 1. First of all, you get bigger, faster. Ordinarily, at 4-5 months the belly of a mother pregnant with twins, is around the size of a the belly of a woman pregnant with one at 8-9 months.
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Twin Pregnancy – Belly at 25 Weeks Both cases are normal and the babies delivered are entirely healthy. You may gain more weight during this time which may show on your belly. The final trimester is nearly here and the growth can start taking a slowdown in its rate.
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Health professionals usually aim for twins to be born at 37-38 weeks unless problems develop earlier or there's a good reason to delay birth. About 60% of twins are born before 37 weeks, while single babies are born at around 40 weeks. If you know your twins will be born early, you can get ready for premature birth.
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Multiples do tend to be born smaller than single babies. But it's not because their growth rate is necessarily slower — in fact, for twins, it's about the same as any other baby's until about weeks 30 to 32, when they do slow down a tad, since they're competing more for nutrients.
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Identical twins do not have identical fingerprints, even though their identical genes give them very similar patterns. 1﻿ The fetus begins developing fingerprint patterns in the early weeks of pregnancy. Small differences in the womb environment conspire to give each twin different, but similar, fingerprints.