What is multiple pregnancies?
Multiple pregnancies is one in which two or more babies develop simultaneously in the womb.
In mankind, it is normal to conceive children one by one, a pregnancy with more than one embryo is considered unusual and is framed within high-risk pregnancies. This does not mean that it always has to be complicated, but it is more frequently associated with some diseases or complications of pregnancy. Therefore, it is necessary to undergo tests to rule out problems and follow the indications that professionals advise.
In recent years, the number of multiple pregnancies has increased due to assisted reproduction treatments (1-3%), and due to both maternal and fetal complications that can occur, we believe that this is an issue of great importance.
Multiple pregnancies is diagnosed by ultrasound around week 12 is when it is determined how many babies there are. Chorionicity is the main factor that determines the prognosis of pregnancy. Only up to 14 weeks can one of these two pregnancies be reliably determined:
Dicorial gestation: 2 placentas
Monochorial gestation: 1 placenta
Twin pregnancy types
It is the most common 80% of twin pregnancies. The doublets also called bivitelline or dizygotic twins, result from the fertilization of two different ovules by two sperm.
Each fetus develops in its amniotic sac and feeds on its placenta (although these can join together and give the impression that they are one).
The twins can be of different sexes and not look like anything physically since they come from two ovules and two sperm. They may even have been conceived through different intercourse, as some women ovulate twice in one cycle. In fact, 50% of these twins are different-sex couples and the other 50% of the same.…