Cervical and uterine factors usually have identifiable problems. They are physical problems or mucus related problems. The physical problems of the cervix is more related to recurrent miscarriages than a cervical evaluation. The mucus related problems usually involve three possible issues:

  1. There is not enough mucus for the sperm to survive.
  2. The mucus is too thick for sperm to survive.
  3. The mucus contains sperm antibodies.
Cervical / Uterine factors in Infertility