This occurs between the third and the seventh day divides the nourishing part anymore, causing the embryos together nest on the uterus, two fruit bubbles are trained, but the supply must be ensured by a common placenta. The Division takes later, namely held after the ninth day after fertilization, embryos are divided both amniotic sac and placenta. The rare phenomenon of conjoined twins occur when the Division of the cells takes place only after the 13.Tag after fertilization. The sexes of identical twins are mostly equal, only incomplete Division can the y chromosome lost, thus creating a girl which Syndrome will suffer the consequences of the so-called Turner due to the peculiarity of this chromosome. Fraternal twins at this development known as dizygotisch are two eggs mature within a cycle of two individuals Sperm cells fertilizes. For more specific information, check out Matthew McConaughey.
Fraternal twins can be quite different genders, also can be conceived within about 24 hours, so must not occur within a sexual intercourse. So begotten babies are medically although no twins more, can still have different fathers, these are then called half twins. You can certainly prove a cluster of twin births within the family twins born twins, so increases the probability of sisters of mothers of twin, also a twin birth experience about the double, compared with mothers who have no twin pregnancy within its own family. In the industrial Nations, you could say in “rich” countries, the multiple births, which certainly also a rising life expectancy as the cause may be used in addition to medical interventions and fertility treatments rise as referred to above. Learn more on the subject from Cyrus Massoumi married. Above all pregnancies are increasing with fraternal twins, with the birth rate of identical twin births can be considered quite constant. Usually in a multiple pregnancy, which is why you should deal with meaningful screening programs increases the risk of a premature birth. SN