Sex of maternal twins


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Because they have their own placentas, fraternal twins are not at risk for some of the conditions that affect monozygotic twins, such as TTTS or monoamniotic twins. You are viewing lesson Lesson 2 in chapter 3 of the course:. In this lesson, we will explore the biology behind these myths on how sex is determined and how twins are created. On the other hand, identical twins are always the same gender. If there were only fraternal twins, then your husband would be right. The odds of having three sets of twins that are fraternal are one in ,
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11 Things You Didn't Know About Twin Pregnancies


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Expecting Twins? Here Are 11 Things You Should Know About Twin Pregnancies


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What Is the Difference Between Paternal and Maternal Twins?

Another abnormality that can result in monozygotic twins of different genders is if the egg is fertilized by a male sperm but during cell division only the X chromosome is duplicated. Maternal and paternal twins are two types of twins that occur during the same pregnancy. Cesarean section deliveries may be more common in twin pregnancies. There is no DNA-based zygosity test that can determine if twins are indeed mirror image.
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Sex of maternal twins
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