Fat is now beginning to form underneath the baby's skin. The placenta and baby are roughly equal in size. The baby will now blink, swallow, and suck on its thumb. The heart is at a healthy pumping rate moving 25 quarts of blood per day.
Maternal Changes on Week 17
Your uterus is moving upward and is now probably only a couple inches below your belly button. A 5 to 10 pound weight gain is normal. If you did not feel the baby moving around inside you in the previous week you are sure to by now.
Pregnancy most commonly lasts 40 weeks, this website provides information of a general nature and is not a replacement for professional healthcare advise. There are many factors that can influence a pregnancy due date including age, ethnicity, number of previous children, and length of menstrual cycle. Every woman's pregnancy is different and the due date can only be estimated within a certain degree of accuracy.