Cervical stenosis, a narrowing in the cervix, is usually caused by an inherited malformation or damage to the cervix. Oligo-ovulation: It is a condition wherein ovulation doesn’t occur with a regular basis. The menstrual cycle might be for a longer period than the conventional cycle of 21 to 35 days. https://dralpersismanoglu.com/en/what-is-ovulation-disorder/