摘要

Problem(#br)We evaluated associations between brain‐derived neurotrophic factor ( BDNF ) and neurotrophin‐4 ( NT 4) and pregnancy outcome in women undergoing in vitro fertilization–embryo transfer ( IVF ‐ ET ).(#br)Method of study(#br)Sera obtained on days 24 and 28 of an IVF cycle from women with a...

  • 单位
    Weill Cornell Medical College