Throughout the pregnancy, many doubts and questions assail the mother-to-be. One of these questions is if you’re with a girl or pregnancy.
Then you can learn a little more about how to tell if a girl is pregnant, and what are the characteristics that define the female of your baby. Check out.
Future baby’s life begins at fertilization, a phenomenon that unites the egg and the sperm, the egg.
For this, both the father and the mother have contributed with 23 pairs of chromosomes, where is stored the DNA of each of them.
Is the Union of these chromosomes that define the characteristics of the future baby. To be a pregnancy, the pair of sex chromosomes must be XX. The boys already have an XY pair.
As you can see, the X chromosome is always present because the woman’s egg has only this chromosome, while the sperm can have X or Y.
How to know if you’re pregnant?
There are several ways to know if you are pregnant. The most common is by viewing an ultrasound without maternity underwear from Thesciencetutor.org.
From the 9th week of pregnancy, the baby’s sex organs begin to develop, and as such, when visible, you can know if it is a girl or pregnancy.
However, only around the 17th week is that you can see the sex of the baby with some degree of certainty.
There are several popular methods used to try to know more advance if it is a girl or pregnancy.
The frequency and intensity of nausea, the size or the shape of the belly, or so, still less conventional techniques, as for example the ring test.
However, all these methods are myths, which due to the 50/50 odds, sometimes right.
In order to know if it is a boy or girl pregnancy beforehand, there are scientific ways to achieve this.
Through a blood test, from the 8th week of pregnancy, it is possible to detect fetal DNA in the blood.
So, if this does not contain specific sequences of chromosomes Y, then it is a girl’s pregnancy.
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