You can’t rely on a missed period, but there are other ways to tell you might be pregnant. If you have regular menstrual cycles, one of the first signs you may be expecting a baby is a missed period.

Months after people began sharing their stories online of experiencing abnormal menstruation following a COVID-19 vaccination, clinical research into a potential link is set to begin. The National ...

Cramping and changes in menstrual cycles are common. But severe pain and bleeding that disrupt daily life are not. Here’s how ...

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Doctors can already link irregular periods to a variety of medical conditions, and new research shows that abnormal menstrual cycles may soon be able to better predict a risk for heart disease — the ...

Medically reviewed by Kiarra King, M.D. If you're waiting for a delayed period, you may wonder whether you're pregnant. But pregnancy isn't the only reason your period could be late. Common reasons ...

When Katy Fyksen got a heavy period a few days after she received her second dose of the Moderna COVID-19 vaccine, she didn’t consider there might be a link. The 43-year-old Plainfield, Illinois, ...

Irregular periods are often dismissed as “normal” in teenagers, and in many cases, they are a natural part of puberty. But doctors say an increasing number of adolescents are facing persistent ...

Women with irregular menstrual cycles or cycle lengths may face a higher risk of cardiovascular disease, a new study suggests. Cycles that are shorter than normal – less than 21 days – and longer-than ...

Women of reproductive age bleed once a month during their menstrual period. This happens when your uterus sheds its lining, and the blood and tissue pass through the vagina and out of your body.