Human Reproduction, Vol. 11, No. 4, pp. 844-849, 1996
© 1996 European Society of Human Reproduction and Embryology
research-article |
Effects of clomiphene citrate stimulation on endometrial structure in infertile women
1Institute for Hormone and Fertility Research, University of Hamburg Grandweg 64, D-22529 Hamburg, Germany 2Laboratory of Analytical and Quantitative Cytology Geneva, Switzerland
Correspondence: 3To whom correspondence should be addressed
Investigations into the effect of clomiphene citrate stimulation on endometrial differentiation were retrospectively performed in the mid-luteal phase on 21 patients undergoing ovulation induction prior to artificial insemination. A high incidence of irregular endometrial development was seen using morphological and morphometric criteria; in addition, increasing stromal oedema after clomiphene citrate treatment was observed. Measurable differences in glandular development (i.e. numbers of glands and glandular epithelial height) were found in early luteal phase biopsies (LH+2/+6) from patients treated with clomiphene citrate and normal fertile controls. Impaired endometrial development in the early luteal phase, which is a sensitive interval in preparation for implantation, might lead to an effective asynchrony between embryonic and uterine development and unfavourably influence the outcome of implantation.
Key words: clomiphene citrate/human endometrium/infertility/morphometry
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