Her Risks

There are certain health problems that do affect the fertility of women. Any one of the following factors could interfere ovulation, hormones, the implantation and development of the fetus:

  • Endometriosis
  • Fallopian tube disease
  • Chronic disease like diabetes, thyroidism, lupus, arthritis, hypertension, asthma, thrombolia
  • Previous miscarriages, ectopic pregnancy
  • History of irregular periods
  • Early menopause (before age 40)
  • An abnormally shaped uterus
  • Uterine fibroids, polyps in cervix, uterus. Cysts on the ovarian
  • Scar tissue from a pelvic infection or surgery
  • Polycystic ovary syndrome (PCOS)

His Risks

Men also suffer from certain health factors which negatively affect their fertility in terms of sperm count, sperm quality, morbility, or ejacuation delivery, including:

  • Testicles that haven’t descended
  • An inflamed or infected prostate
  • Orchitis (testicular inflammation) by mumps virus after puberty
  • Cystic fibrosis
  • Premature ejaculation or a blockage in testicles
  • Enlarged veins in your testes (varicocele)

Source https://www.webmd.com/infertility-and-reproduction/guide/at-risk-fertility-problems#1