1. PCOS
Polycystic Ovarian Syndrome can cause irregular periods, heavy bleeding, excessive facial or body hair, infertility, weight gain, baldness/hair loss, and infertility. If you experience a combination of the above, be sure to ask your doctor to check you for cysts via ultrasound.
2. Thyroid Problems
Hypothyroidism, or an under active thyroid, can cause longer, heavier, and irregular periods. Increased cramping as well as fatigue, cold sensitivity and weight gain are other symptoms. Hyperthyroidism, can cause shorter, lighter periods along with anxiety, weight loss, and heart palpitations.
3. Perimenopause
Perimenopause is the transition to menopause. It is marked by a drop in estrogen, the main female hormone produced by the ovaries. In addition to irregular periods, this hormonal imbalance causes a ripple of effects in the body. The up to 34 symptoms include breast soreness, changes in libido, mood swings, depression, anxiety, irregular periods and heartbeats, hot flashes, and vaginal dryness.
4. Endometriosis
Endometriosis is a condition where the tissue that normally lines your uterus grows outside the uterus. It results in debilitating menstrual cramps, gastrointestinal pain, pain during and after intercourse, and can cause infertility. Periods are marked by heavy bleeding and irregularity and are prolonged.
5. Being Overweight
Being obese can cause irregular periods — Research Trusted Source shows that being overweight impacts hormone and insulin levels, which can interfere with your menstrual cycle. Gaining weight rapidly can also cause menstrual irregularities. If you experience rapid weight gain and irregular periods, you may have PCOS or hypothyroidism — be sure to tell your doctor if you experience these conditions.
6. Stress
Research has shown that stress can interfere with your menstrual cycle. Stress can temporarily interfere with the part of the brain that controls the hormones that regulate your cycle. “Depending on how your body tolerates stress, the cortisol may lead to delayed or light periods — or no period at all (amenorrhea),” says Dr. Kollikonda. “If stress continues, you can go without a period for a long time.” If you find yourself struggling with stress, try meditating, exercising, and spending more time with friends.