Association between paternal age and singleton birthweight in frozen embryo transfer cycles

• Autores principales: Zhexin Ni (Autor), Demeng Xia (Autor), Shuai Sun (Autor), Danying Zhang (Autor), Yanping Kuang (Autor), Chaoqin Yu (Autor)
• Formato: Libro
• Publicado: BMC, 2021-11-01T00:00:00Z.
• Materias: article
• Acceso en línea: Connect to this object online.

Plain English summary Currently, many couples delay childbearing until after the age of 40. The natural decline of fertility of elderly couples forces them to utilize assisted reproductive technology. Although males continuously produce sperm throughout their entire life, their sperm quality decreas...