The baby is almost 2.5 inches and weighs between 8 and 14 grams. Hair and nails are starting to grow. The genitals form more to the point that you can determine the gender. The fetus is now learning to digest food as the muscles in the intestinal walls practice peristalsis. The baby's brain is fully formed and it can now feel pain. Nearly all of the organs are formed and they will continue to grow until delivery.
Maternal Changes on Week 12
As your uterus shifts up and forward, it will no longer be pressing on your bladder as much so you will not have to urinate so often. Your old symptoms will subside as new ones become common, predominantly headaches and light-headedness.
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.