when to know that you are pregnant with twins?
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First Trimester: Your Pregnancy Symptoms and Your Twins' Development. If you notice any early signs of pregnancy, a home pregnancy test might confirm that you're pregnant. But, only your healthcare provider can reveal that you're pregnant with twins, often during an ultrasound scan at 12 weeks.
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Most twins arrive between the 36th and 37th weeks of pregnancy; it is rare they go the full 40 weeks. When babies haven't arrived by week 42, they're considered late -- or post-term.
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['Doppler Heartbeat Count. ... ', 'Elevated hCG Levels. ... ', 'Abnormal AFP Test Results. ... ', 'Twin Pregnancies Measure Large for Gestational Age. ... ', 'Weight Gain. ... ', 'Excessive Morning Sickness. ... ', 'Early or Frequent Fetal Movement. ... ', 'Twins Pregnancy = Extreme Fatigue.']
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Elevated Beta-hCG Levels That said, you may have a very early positive pregnancy test if you are carrying twins.
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It's usually possible to find out if you're having twins through your dating ultrasound scan, which happens at around 11 to 14 weeks. At the scan, you should be told whether the babies share a placenta (meaning they're identical) or if they have 2 separate placentas (meaning they can be identical or not).
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With second pregnancies and on, around 15% of women reported more morning sickness with multiples than with previous single pregnancies. Finally, another potential sign is that in women carrying multiples, nausea may begin quite early, even before a pregnancy test turns positive.
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As early as 11 days after conception, it is possible to detect the presence of this hormone in the blood and within 12-14 days when it is excreted in the urine. If you are having twins, then your hCG levels are likely to be different to another pregnant woman who is carrying one baby.
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The earliest you're likely to find out is between 10 weeks and 14 weeks, when you have your dating scan (McAslan Fraser nd, NHS 2019, NICE 2011). Ultrasound is almost foolproof at diagnosing twins.
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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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However, blood pregnancy test (hCG level), may give you a better, but still not conclusive hint that you are carrying twins.
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If you're carrying more than one baby, chances are good you'll deliver early. 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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Pregnancy tests work by detecting the amount of the hormone, human chorionic gonadotropin, or hCG, in a woman's blood or urine. Early positive pregnancy tests can be but are not always a sign of twins, since hCG levels are typically higher in women who are carrying multiples, states Dr.
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At this stage, it's likely you have an ultrasound scheduled if you haven't already had one. Some people report showing earlier when pregnant with twins, but the point at which your pregnancy begins to show varies depending on the person and the pregnancy. Many people will show earlier during their second pregnancy.
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Twin pregnancies have a higher risk for prematurity, which means birth that occurs after 20 weeks but before 37 weeks gestation. Just 40 percent of twin pregnancies go full term. The average twin pregnancy is 35 weeks, compared to the average singleton pregnancy, which is 39 weeks.
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Women expecting twins are more likely to give birth early (about 60 percent of twins are born prematurely, according to the March of Dimes), with the average twin pregnancy lasting 35 weeks.
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['More Morning Sickness. There is a saying about twins: "Twice as sick, three times as tired, and four times the weight gain." But this is, in many ways, an old wives\' tale. ... ', 'Elevated Beta-hCG Levels. ... ', 'Severe Fatigue. ... ', 'Doppler Heartbeat Count. ... ', 'Measuring Large. ... ', 'Weight Gain. ... ', 'Gut Feelings and Hunches. ... ', 'Ultrasound Confirmation.']
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5: Spotting may be more common during twin pregnancies. "When you spot in the first trimester, you could be undergoing a miscarriage, and miscarriages are more common in mothers of twins, triplets, and quadruplets -- so we see more spotting in first trimester with multiples," Al-Khan says.