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  • Title: Comparison between laparoscopically and ultrasonographically guided transvaginal follicular aspiration methods in an in vitro fertilization program in the same patients using the same stimulation protocol.
    Author: Flood JT, Muasher SJ, Simonetti S, Kreiner D, Acosta AA, Rosenwaks Z.
    Journal: J In Vitro Fert Embryo Transf; 1989 Jun; 6(3):180-5. PubMed ID: 2529334.
    Abstract:
    Oocyte recovery from 43 patients undergoing ultrasound-guided transvaginal oocyte retrieval was compared to a previous laparoscopic oocyte retrieval cycle from the same patient. Gonadotropin stimulation in both cycles was performed using the same protocol. There were no statistically significant differences in the mean day of oocyte retrieval or the mean daily estradiol level up to the day of oocyte retrieval between laparoscopic and transvaginal cycles. The total number of follicles aspirated per cycle, preovulatory oocytes aspirated per cycle, and number of concepti of preovulatory origin transferred per cycle were not statistically different. The number of immature oocytes aspirated per cycle was statistically decreased in transvaginal retrieval cycles, which resulted in an increased total number of concepti transferred per transfer in laparoscopic retrieval cycles. Twelve pregnancies resulted from the transvaginal retrieval cycles (27.9%), seven of which are ongoing or delivered. Ultrasound-guided transvaginal follicular aspiration yields results comparable to laparoscopic retrieval in the same patients and should be the method of choice for oocyte pickup because of its many advantages.
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