Prevention of twin pregnancy after in-vitro fertilization or intracytoplasmic sperm injection based on strict embryo criteria: a prospective randomized clinical trial
| Autor: | Eric Van Royen, Muriel Van de Meerssche, Diane De Neubourg, Jan Gerris, K Mangelschots, M Valkenburg |
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| Rok vydání: | 1999 |
| Předmět: |
Adult
medicine.medical_specialty animal structures Pregnancy Rate medicine.medical_treatment Monozygotic twin Single Embryo Transfer Fertilization in Vitro Biology Intracytoplasmic sperm injection Andrology Pregnancy Risk Factors medicine Humans Embryo Implantation Prospective Studies Sperm Injections Intracytoplasmic Twin Pregnancy Retrospective Studies Gynecology In vitro fertilisation Rehabilitation Obstetrics and Gynecology Twins Monozygotic medicine.disease Embryo Transfer Embryo transfer Pregnancy rate Reproductive Medicine embryonic structures Female Pregnancy Multiple |
| Zdroj: | Human reproduction (Oxford, England). 14(10) |
| ISSN: | 0268-1161 |
| Popis: | A prospective randomized study comparing single embryo transfer with double embryo transfer after in-vitro fertilization or intracytoplasmic sperm injection (IVF/ICSI) was carried out. First, top quality embryo characteristics were delineated by retrospectively analysing embryos resulting in ongoing twins after double embryo transfer. A top quality embryo was characterized by the presence of 4 or 5 blastomeres at day 2 and at least 7 blastomeres on day 3 after insemination, the absence of multinucleated blastomeres and |
| Databáze: | OpenAIRE |
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