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Sixty follicular fluids obtained from 26 women with either clomiphene citrate and human menopausal gonadotropins (hMG) or hMG-induced ovulation were analyzed for the contents of total proteins, fibrinogen, plasminogen, antithrombin III, ceruloplasmin, alpha-2 macroglobulin, alpha-1 antitrypsin and immunoglobulins (IgG, IgA, IgM). Concentrations of these proteins was correlated to the type of ovarian follicle growth induction. Follicular fluids from patients stimulated with clomiphene citrate-hMG contained significantly higher concentrations of ceruloplasmin than those treated with hMG alone. No significant differences in the concentrations of other proteins were noted between the two types of ovarian induction. A multivariate data analysis resulted in three Varimax factors (VRX I) suggesting that proteins with antiprotease activity in the follicular fluid may play a role in human follicle maturation. Follicular fluid Ig may reflect the degree of follicular wall permeability under hMG treatment. Accordingly, it may be assumed that a combination of different proteins described by VRX factors could be used for evaluation of ovarian stimulation.

A case of combined interstitial and intrauterine pregnancies after bilateral salpingectomy and in-vitro fertilization with embryo transfer is reported. The case was incorrectly diagnosed ultrasonographically as intrauterine triplets at 7 weeks gestation. The patient suffered from intra-abdominal bleeding at 14 weeks gestation. At laparotomy, a ruptured left interstitial pregnancy with a non-viable fetus was found in the left abdominal quadrant. The uterine defect was successfully repaired and gestational contents and blood were evacuated from the abdominal cavity. The intrauterine twin pregnancy progressed without incident, and a Caesarean section was performed at 36 weeks gestation, resulting in healthy male and female infants.