Sex differentiation of fetal period: 9-12 weeks of gestation

Sex differentiation of fetal-9-12 weeks of gestation
To the posterior segment of early pregnancy, abdominal began a slight uplift of the mother and more clearly feel the physical and psychological changes resulting from pregnancy. However, the baby never idle, he started activities in the uterus, not only arms and legs of ground gently, and mouth and sometimes open-close closed yet! More interesting is that from now on, baby boys is oh ~

Baby development features
1. the length and weight
The 12th week of pregnancy, the baby is about 6-6.5 cm, weight about 15-18 grams.

2. week of fetal development
At eight or nine weeks of pregnancy, fetal limbs made of tiny granulation into cartilage, the fingers, toes and clear. To 12 weeks, Center of cartilage development of curing to form hard bone.

At this point, the baby\'s eyes are closed, ear has been formed, but has no effect. And major internal organs in the body have been fully, sex organs have also begun development, male babies to form testes, formation ovary of female babies, but also from the appearance to ultrasound scans to identify the sex of the fetus.

3. fetal environment
In the 12 weeks of pregnancy, is fully development forming the placenta and umbilical cord attached to the fetus, as life-support system of the fetus. In addition, beginning in the amniotic fluid around the fetus cumulative, fetus can change the direction of the body in the amniotic fluid.