Headaches
Sign Of Pregnancy
Headaches
Not every woman has problems with headaches during pregnancy, but for some this is the very first tell tale sign of pregnancy. Headaches during early pregnancy are thought to be caused by hormonal changes as well as changes in a womans blood volume. The sudden increase in estrogen and progesterone may be what triggers headaches for some women. Migraine headaches, which are a vascular type of headache, may be a result of the increase in blood flow a woman experiences during pregnancy.
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