Changes to Your Period with Hormonal Birth Control
Using hormonal birth control methods can have an impact on your menstrual cycle, but these changes are completely normal. If you’ve had irregular periods in the past, you may be pleasantly surprised by how quickly birth control pills establish a more predictable cycle [University]. Additionally, many individuals on birth control pills experience lighter and shorter periods.
Hormonal IUDs can also affect your period. In the first few months after insertion, you may notice slightly heavier bleeding than usual. However, it’s not uncommon for your period to eventually become very light or even stop altogether, with occasional light spotting lasting only a day or two. It may take up to a year for your menstruation to fully regulate after getting an IUD.
Understanding Polycystic Ovary Syndrome (PCOS)
Polycystic Ovary Syndrome (PCOS) is a condition that can disrupt the regularity of your menstrual cycles. It commonly manifests during puberty, leading to irregular periods for many women. However, it is also possible to develop PCOS later in life, often due to weight gain. One of the key symptoms of PCOS is having infrequent and highly irregular periods, which typically occur over 35 days apart and may be characterized by heavy bleeding [source: MayoClinic].