Parto tras la transferencia de embriones generados por fecundación de ovocitos vitrificados: Comunicación de un caso
We report the first successful live birth after the transfer of embryos obtained by fertilization of vitrified oocytes. A couple with primary infertility due to teratozoospermy and chronic an ovulation decided to undergo assisted reproductive technology after 4 failed cycles of super ovulation and i...
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| Autores principales: | , , , , , |
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Médica de Santiago
2011
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| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872011000700015 |
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| Sumario: | We report the first successful live birth after the transfer of embryos obtained by fertilization of vitrified oocytes. A couple with primary infertility due to teratozoospermy and chronic an ovulation decided to undergo assisted reproductive technology after 4 failed cycles of super ovulation and intrauterine insemination. The woman underwent a standard luteal phase agonist protocol, with controlled ovarian hyper stimulation with daily 150IU recombinant gonadotropin and 75IU urinary gonadotropin for 12 days. Due to the high risk of ovarian hyper stimulation syndrome the couple was advised to delay embryo transfer. Eighteen mature oocytes were recovered, eight were vitrified and 10 fertilized and cryopreserved as pro-nuclei. Two months later, four vitrified oocytes were thawed, and three morphologically-normal embryos were transferred to an estrogen-progesterone-primed uterus, obtaining triple clinical pregnancy. The pregnancy was uneventful until 32 weeks of amenorrhea, when pre-term delivery started. After inducing lung maturity, a cesarean section was performed and three healthy fetuses were delivered. Nowadays, the babies are two and a half years old, and have had a normal psycho-motor development. |
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