19 Weeks Pregnant
All organs and structures have been formed and a period of simple growth begins. The fetus is now about 6.3 inches (16cms) long. The fetal heartbeat can now be heard with a fetoscope. The placenta begins producing the hormone estrogen.
Headaches may occur while your body adjusts to changes in blood volume and vascular tone. Stress or emotional tension may also be contributing factors.
Pregnancy To Do's for Week 18
If you're experiencing headaches try resting with a damp cloth on your forehead. Drinking milk and/or eating a small snack can also provide relief
for some women.