“…These authors, using laparoscopy, mentioned reduced peritoneal steroid levels and the presence of luteinized ovarian cystic structures without ovulation stigmata. Plasma steroid and LH-levels should not differ from those of other normal fertile women (8,17). In our test group of highly trained sportswomen, we also found, however, beside low luteal phase plasma progesterone levels, reduced plasma LH and estradiol values.…”