Common causes of spotting between periods
Birth control
Birth control can cause spotting, especially during the first three months or if you are changing to a new one. It is also called breakthrough bleeding. Types of birth control that can cause spotting include pills, IUDs, the patch, or implants. This spotting is caused by the introduction of estrogen in the birth control medication. This typically resolves after a few months. If it persists, consider visiting your healthcare provider.
Hormonal Imbalance
Hormonal imbalance can affect women in various ways, one of which is spotting in between periods. Spotting in between periods can be caused by an imbalance in the estrogen hormone. This is common for perimenopausal women. Low progesterone can cause the uterine lining to slough off 5–7 days before the menstrual period should appear and cause bleeding.
An imbalance in thyroid hormones, especially low thyroid hormones, can cause spotting in between periods. If this is accompanied by other symptoms such as weight gain, loss, and fatigue, see your healthcare provider for a proper evaluation.
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