Prolonged headaches during pregnancy are a common symptom in pregnant women, it is also a warning sign that the mother's health is having problems, typically preeclampsia during pregnancy. Prolonged headaches not only affect the mother but also the health of the fetus.

One study found that up to 39% of pregnant women experience headaches during pregnancy and after giving birth. Although pregnant women may experience different types of headaches than usual, most headaches during pregnancy are harmless.

Pregnant women's bodies undergo many changes, especially changes in hormone levels, leading to many symptoms, including headaches during pregnancy. When pregnant women have headaches during early pregnancy, it is a sign of changes in the woman's body.