G. H. Zeilmaker

A total of 57 infertile women, who had been referred for in vitro fertilisation or for diagnostic laparoscopy, were tested for the presence of antibodies to Chlamydia trachomatis, Neisseria gonorrhoeae, and Mycoplasma hominis. Four were exc…

Serum progesterone, follicle stimulating hormone (FSH) and luteinizing hormone (LH) concentrations were estimated in intact and hysterectomized pseudopregnant rats. Progesterone concentrations increased significantly from day 2 of pseudopre…

In (RXU)F1 hybrid rats delayed pseudopregnancy was induced in three different ways: 1) by removal of all recent corporl lutea on day 2 of pseudopregnancy, 2) by removal of the in situ ovaries from ovarian graft-bearing animals on day 0 of p…

ABSTRACT Virgin mice received 2 blastocysts under the kidney capsule. Following an oestrous cycle which occurred 1–4 days after the operation, nearly all the animals became pseudopregnant. It was found that pseudopregnancy induced by ectopi…

ABSTRACT In rats bearing a transplanted immature ovary under the kidney capsule, the in situ ovaries were removed at oestrus. In spite of this operation the sequence of vaginal oestrous cycles was uninterrupted. Removal of the in situ ovari…

ABSTRACT The effects of a single administration of 1 mg ergocornine methane-sulphonate to female rats with functional corpora lutea have been studied. It was shown that: 1) Injection of ergocornine into hypophysectomized rats bearing an aut…