Additional research is being done to understand the biochemical changes that occur during sexual arousal that may improve sperm survival in the reproductive tract. This is best diagnosed by ultrasound scan, showing enlarged ovaries containing several small cysts. Sometimes the origin of an ovulation is the pituitary gland. Injections of Gonadotrophines or infusion of small pulses of a drug called LH-RH with an electric pump are both very effective treatments. In rare cases, women do not ovulate because of premature menopause.
Egg donation is the only effective treatment.
Blocked or Damaged Fallopian Tubes Fallopian tubes can be damaged following pelvic inflammatory disease, endometriosis or after pelvic surgery. Laparoscopy will confirm the extent of the damage and whether tubal surgery or IVF is the best treatment option. A clear and abundant mucus is normally produced at the time of ovulation by the cervix, allowing sperm to penetrate the endometrial cavity. A post coital test will confirm normal sperm motility in cervical mucus. Endometriosis Endometriosis is defined as the presence of parts of endometrium outside of its normal location, ie the lining of the uterine cavity.