The amount of breastfeeding is unpredictable from month to month. It’s difficult to predict how much breastfeeding will affect your menstrual cycle. When your baby arrives, and you were bleeding again, it can take time for your period to get back to normal. If you’re nursing, you may experience irregularities in your menstrual cycle. Women with PCOS, usually have a higher than normal amount of the androgen hormone.

There is no definite cause for PCOS, but it appears to be related to a hormone imbalance in a woman’s hormones. Some women may experience heavier bleeding, light bleeding or may skip periods completely. Polycystic Ovary Syndrome (PCOS)Ī medical condition such as PCOS can cause irregular cycles and missed periods. When you’re overweight, this bleeding can be relatively very heavy. On the other hand, you may experience irregular bleeding that doesn’t follow your cycle - abnormal uterine bleeding. Obese women may stop bleeding completely, this condition is known as secondary amenorrhea If your BMI is in the obesity category (generally over 35) you are even more likely to miss your period. A boost in your body’s fat stores can cause a hormonal imbalance that can prevent ovulation. There isn’t an exact amount of weight gain that can result in a missed period Nevertheless, larger gains, in shorter periods of time are more likely to affect your menstrual cycle. Also, an increase in weight is one of the signs of pregnancy near the end of the first trimester, not an early sign of pregnancy. Here are some reasons your period could be late, even with a negative pregnancy test result.Ī significant increase in your body mass index (BMI) could cause period delay. It is possible for women with irregular periods to have a delayed or missed period but still get negative pregnancy test results. However, menstrual cycles can range anywhere from 21 to 35 days if you’re an adult and 21 to 45 days for younger teenagers. An ordinary menstrual cycle lasts about 28 days long.

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