ClassificationĪ twin pregnancy can be broadly categorized into:Īlso known as fraternal twins resulting from independent fertilization of two ova, and always result in dichorionic - diamniotic pregnancies. Sources: Very Well Family, WebMD, Family Education, Very Well Family, Healthline, Very Well Family.Multifetal pregnancies account for ~1% of all pregnancies but are seen in much higher numbers in populations where in vitro fertilisation (IVF) is a common practice. NEXT: Identical Twins Marry Identical Twins, Then Plan Pregnancies Together Nevertheless, if a mom feels she is pregnant with twins, she should ask her doctor to perform an ultrasound in the second trimester. These claims, however, do not have scientific support. Other moms explain they felt movement in different parts of the uterus at the same time. Moms who've had multiple pregnancies report they felt movement in the first trimester. According to Very Well Family, moms with twins have high levels of AFP. This test is done later in pregnancy to detect congenital defects and chromosomal abnormalities. High levels of AFP (Alpha-fetoprotein) during screening can also indicate a mom has twins. However, your doctor will discover these high levels from a blood test. Home pregnancy kits do not detect these abnormal levels of HCG. During the same week, a mom with multiple pregnancies will record HCG levels of 348,000-480,000mIU/mL. Family Education explains in the 10 th gestational week, the HCG range of a mom with a single pregnancy is 96,000-144,000 mIU/mL. Moms with twins have unusually high levels of this hormone. Home pregnancy kits test for HCG levels for a positive or negative conclusion. The HCG levels spike when a woman is pregnant. If the fundal height is higher than expected, a mom likely has twins. The exercise involves the midwife measuring the distance from the pubic bone to the top of the uterus. Besides, midwives and doctors can detect multiple pregnancies by measuring the height of the uterine fundus. WebMDnotes that these mums can add up to 10 lbs. Pregnant moms with twins weigh more than those carrying one baby. As early as four weeks, their elevated hormones, frequent urination, and sleep disruptions result in lethargy and exhaustion. They find themselves exhausted from nurturing two babies. Moms with twins also suffer extreme fatigue in the first trimester. They experience pregnancy symptoms before their pregnancy test reads positive. Very Well Family reports that moms with multiple pregnancies have severe nausea and morning sickness as early as the 4 th week. Nevertheless, here are other tell-tale signs. The best way to ascertain that you are having twins is by performing an ultrasound from the 16 th week. Hidden twins barely go unnoticed from the 12 th week. If a mom conducts an early ultrasound exam and neglects prenatal care, she may be surprised to deliver twins. It is impossible, however, for a baby to go undetected in the second and third trimester. They may misinterpret the information from the ultrasound and mistake the twin for something else. Trained sonographers can fail to detect a second baby. This increases the chances of one sneaking away during the exam. Having an ultrasound in the early weeks of gestation means your babies are significantly small. The twin may position themselves behind their sibling, or find a spot in the uterine nook. It is also possible that the baby is good at hiding. This can force one baby to remain hidden during an ultrasound. The fetuses are forced to stay together in one sac. According to Healthline, twins who share an amniotic sac are known as mono-chorionic mono-amniotic twins (MoMo twins). Some twins have individual sacs while others share one. RELATED: Scientists Identify Shocking Case Of Twins From Different Parents The Twins Have One Amniotic Sac Similarly, an early ultrasound will only detect one embryo while the other remains invisible. A shadow is formed when one object is placed directly in front of the other. Very Well Family explains that 2D ultrasounds catch a glimpse of one twin because the other is shadowed from view. 2D ultrasounds are less accurate because the fetal poles and yolk sacs are not developed fully. The Ultrasound Was Conducted In The Early Weeks Of PregnancyĪ twin may go undetected when an ultrasound is performed before the 8 th week of pregnancy.
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