What occurs on the twelfth week of pregnancy?
On the twelfth week at the kid the brain continues to develop. Now he reminds the adult's brain in a miniature.
fruit Length from a darkness to a sacrum is about 61 mm. The weight of the kid - about 9-13 g
the Foundation of an organism is already laid. Now there is a development of rudiments of nails on fingers of hands and legs. Muscles are already quite developed, but the movements still involuntary. Intestines do not go beyond an abdominal cavity now. On the 12th week in it there are periodic reductions called by peristaltic. Under their action there is an advance of the eaten food. The liver of the kid begins production of bile which then will assist in digestion of food fats.
If at you expects the boy, then female genitals at a fruit at this stage degenerated, having left the place to a machismo. The placenta is responsible for production of progesterone now. On ultrasonography it is possible to see how the kid does different acrobatic tricks. The child every new day reminds you more and more. Now the systems of an organism are created, ahead of their growth and development.