Establishment of a successful pregnancy following in-vitro fertilization with an endometrial thickness of no more than 4 mm.
Intrauterine pregnancy after superovulation with gonadotrophins and after in-vitro fertilization (IVF) and embryo replacement has not been reported to occur in cases where the thickness of the pre-ovulatory endometrium was <6 mm. We report a case where an intrauterine pregnancy was established where the endometrium was no more than 4 mm in thickness at the time of follicular aspiration. It is suggested that an IVF cycle should not necessarily be abandoned merely because the pre-ovulatory endometrium is thin, and especially if other parameters, including follicular development and serum oestradiol concentrations, are appropriate.
Curakliniken, IVF Department, Malmö, Sweden.
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Sundström
D000328:Adult; D004717:Endometrium / Q000000981:diagnostic imaging / Q000473:pathology* / Q000502:physiology; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D010062:Ovulation Induction; D011247:Pregnancy; D011256:Pregnancy Outcome; D014463:Ultrasonography