BACKGROUND: The aim of the present study was to compare the quality of embryos derived from sibling oocytes by in vitro fertilization (IVF) or ICSI. METHODS: Consecutive patients with a less than 40% fertilization rate in a previous standa…
PURPOSE: Our purpose was to determine the risk of premature delivery among singleton pregnancies derived from assisted reproduction technology (ART). METHODS: Ninety-five singleton ART pregnancies and 190 matched spontaneous pregnancies we…
PURPOSE: Our purpose was to determine whether some cases of infertility may be due to serological factors inhibiting development of the embryo. METHOD: We examined the effect of infertile women's sera on the expansion, attachment, and spre…
Severe life-threatening complications as a result of ultrasonically guided ovum pick-up for IVF may rarely occur. We report 14 cases, out of 3,656 patients undergoing the procedure, presenting with a clinical picture of acute abdomen. In 9 …