During this period, the embryo graduates graduated from swimming embryo to a weird-looking little tiny human being. The embryo's iris began now to function during this period. The external ears forms and the eyes are filled with fluids that allow the embryo to begin developing a sense of balance. The embryo's swimmer legs become relatively small and the other parts of the body also develop at a good pace. The kidney becomes functioning and thus means that the embryo is able to urinate

The Baby's developments

The baby will grow up to 39mm in length during week 9 pregnancy period. The baby weighs 2 pound and is usually expected to start gaining weight rapidly in the next weeks. During this week, the embryo's limbs and organs start growing rapidly. The embryo's feature that can now be seen includes the legs, torso, the head and the arms. By during this period the detail disappears completely. The embryo's muscles and organs start moving independently and start communicating with each other.

During the week 16 pregnancy, the babies eyelids fuse and will remain closed until roughly 27 weeks in your pregnancy. It is almost during this period that an embryo's sexual organs began developing. It is however difficult to tell whether the embryo is a boy or a girl until the period when the mother is in his 16^th week of pregnancy. During this period, the embryo's heart is then separated into four chambers.

The mother's Body Development
As for the mother, during this period the uterus becomes smaller in size and can be likened to a small melon. The woman will start to feel more bloated and tired compared to the past weeks. Most women will still retaining the fluid that is usually attributed to the weight gain in women. However this weight gain is usually shed off immediately the mother gives birth.

It is important for mothers to note that any water retained in the body has the impact of weight gain on the mother. It is important for mothers to check their weights during this period as mothers will either increase or decrease their weight by 5 pounds.

During this period depending with whether the woman is a sex maniac or not it is not recommended to have sex. Some women become extremely harsh during this period and may send their husbands out of their bedrooms; this is usually attributed to the surge in hormones.