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19 de abril de 2024
RÉCORD TOTAL
Nacieron gemelos de embriones que se congelaron hace 30 años Los padres los habían mantenido en criogenia desde 1992. Hace tres semanas nacieron con buena salud. Un hito en la historia del estudio de la fertilidad humana. viernes 25 de noviembre de 2022 07:44
Una pareja estadounidense dio a luz hace tres semanas a dos bebés gemelos concebidos hace treinta años, cuyos embriones estaban congelados desde 1992, informaron medios de comunicación estadounidenses.
Según el Centro Nacional de Donación de Embriones (NEDC, en inglés), aunque no hay datos oficiales globales que lo sustenten, estos embriones serían los más antiguos usados de forma exitosa.
La madre es Rachel Ridgeway y solo tiene tres años más que los embriones, que ahora son dos bebés llamados Lydia Ann y Timothy Ronald.
La madre biológica de los bebés era una donante de óvulos de 34 años y su padre tenía 50 años cuando fueron concebidos. Según explica la clínica, otros embriones que serían hermanos de los actuales presuntamente fueron implantados en algún momento en la mujer.
Timothy y Lydia pasaron 15 años esperando en una clínica de fertilidad de la costa oeste, luego otros 15 almacenados en el laboratorio de Southeastern Fertility, una clínica médica asociada a la NEDC.
Anteriormente, un embrión de 24 años y otro de 27 eran los más antiguos empleados de manera exitosa en el pasado, a través de NEDC.
(EFE)