What causes headaches during pregnancy?
An increase in headaches during the first trimester is believed to be caused by the surge of hormones along with an increase in the blood volume circulating throughout your body. These headaches may be further aggravated by stress, poor posture or changes in your vision. Other causes of headaches during pregnancy may involve one or more of the following: Lack of sleep Low blood sugar Dehydration Caffeine withdrawal Stress (too many changes) Women who have regular migraine headaches may discover that they experience fewer migraines during pregnancy; however, some women may encounter the same number or even more migraine headaches. If you are pregnant, it is important to talk to your health care provider about any medications that you may be taking for headaches. Headaches during the third trimester tend to be related more to poor posture and tension from carrying extra weight. Headaches during the third trimester may also be caused by a condition called preeclampsia, which is high blood
