Optimizing the number of blastocyst stage embryos to transfer on day 5 or 6 in women 38 years of age and older: a Society for Assisted Reproductive Technology database study

Objective To develop evidence-based recommendations for the optimum numbers of blastocyst stage embryos to transfer in women ≥38 years old. Design Retrospective analysis of national Society for Assisted Reproductive Technology data from 2000 to 2004. Setting National writing group. Patient(s) Five t...

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Veröffentlicht in:	Fertility and sterility 2009, Vol.91 (1), p.157-166
Hauptverfasser:	Stern, Judy E., Ph.D, Goldman, Marlene B., Sc.D, Hatasaka, Harry, M.D, MacKenzie, Todd A., Ph.D, Racowsky, Catherine, Ph.D, Surrey, Eric S., M.D
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult advanced maternal age Aging ART outcome Biological and medical sciences Blastocyst - physiology blastocyst transfer Databases, Factual delivery rate Delivery, Obstetric - statistics & numerical data Delivery. Postpartum. Lactation Embryo Implantation - physiology Embryo Transfer - methods Embryonic Development - physiology Female Fertilization in Vitro - methods Fertilization in Vitro - statistics & numerical data Gynecology. Andrology. Obstetrics Humans Infertility, Male - epidemiology Internal Medicine Male Medical sciences multiple pregnancy Obstetrics and Gynecology Pregnancy Regression Analysis Reproductive Techniques, Assisted - statistics & numerical data Retrospective Studies Twins United States
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