If all of the ovarian tissue is not removed with oophorectomy, the remaining tissue can proliferate and cause abdominal masses which require later surgery. The presenting symptoms are usually abdominal pain. During a laparoscopy the tube inserted through the umbilicus can puncture or cut the intestine. The bladder can be nicked while the fallopian tubes are being dissected out. HRT refers to the various hormones or combination of hormones prescribed to relieve the symptoms of surgical menopause.
Progestins are androgens.
Another androgen, testosterone, is also sometimes prescribed for surgically menopausal women. The scientific information available to us right now is contradictory for the use of hormones to prevent future disease. It is not clear whether or not there is an increased risk for getting breast cancer from taking estrogen. You can read the associated risks for the different compounds there. They include thromboembolic disease and gall bladder disease requiring additional surgery.