21 Weeks Pregnant
Eyebrows, eyelashes and head hair develop.
Weight gain continues at an average of 10 1/2 oz (300 gms) per week.
Breasts begin secreting colostrum in preparation for nursing.
Varicose veins are often the result of rising blood pressure in the lower extremities. This is caused by the enlarged uterus interfering with blood flow between the legs and the heart.
Pregnancy To Do's for Week 21
When you sit down, rest your legs on a footstool with your feet elevated. Avoid pressure on lower thighs. Try not to cross your legs. Support stockings may help.