Cervical stenosis, a narrowing with the cervix, is usually caused by an inherited malformation or damage to the cervix. Some individuals report cramps during implantation (when the fertilized egg implants during the uterine lining). Embryo implantation normally takes place 6 to twelve days after ovulation, so it doesn't occur simultaneously https://dralpersismanoglu.com/en/tag/how-do-you-treat-ovulation-disorders/