Dismiss Modal

Causes

Infertility Risk Factors for Women and Men

Choose a preferred language

Many things can affect fertility for men and women. Some factors can affect how easily a woman ovulates, gets pregnant, or gives birth to a baby. Men have risk factors, too. Many things can affect the health of their sperm.

Gender words are used here to talk about anatomy and health risk. Please use this information in a way that works best for you and your provider as you talk about your care.


Risk factors for women

These are things that can affect a woman’s fertility:

  • Age. Women in their late 30s and older are less fertile than women in their early 20s.

  • Endometriosis

  • Chronic diseases, such as diabetes, lupus, arthritis, high blood pressure, and asthma

  • Hormone imbalance

  • Smoking cigarettes

  • Drinking alcohol

  • Contact with workplace hazards or toxins

  • Too much body fat or very low body fat

  • Abnormal Pap smears treated with cryosurgery or cone biopsy

  • DES taken by their mother during pregnancy

  • Sexually transmitted infections

  • Fallopian tube disease

  • Multiple miscarriages

  • Fibroids

  • Pelvic surgery

  • Abnormalities of the uterus


Risk factors for men

These are things that can affect a man’s fertility:

  • History of prostatitis, genital infection, or sexually transmitted infections

  • Regular contact with radiation, radioactivity, or welding

  • Regular contact with toxins, such as lead

  • Regular contact with ethylene dibromide or vinyl chloride

  • Cigarette or marijuana smoke

  • Heavy alcohol drinking

  • Exposure of the genitals to high temperatures

  • Hernia repair

  • Undescended testicles

  • Opioid-like medicines that affect the central nervous system

  • Mumps after puberty 

  • A genetic problem

  • A problem that was present at birth (congenital)

Featured in

© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

Personalized care starts with the right provider

Search by specialty, location, and more.

Find a Doctor
Related Articles
Read article
Wellness
We’re Pregnant–Tips for the Expectant Birth Partner

More than ever, men are actively involved throughout the pregnancy experience. The term expectant father really fits, as men support, worry, and plan right along with their pregnant partners. Some of the more common experiences for expectant dads are included here.

Read article
OB/GYN
First Trimester Fatigue

For many people, the extreme tiredness of the first trimester is quite a surprise. And it's an especially hard transition for those who are normally go-getters with lots of energy. Learn more about what causes this fatigue--and what to do to feel better.

Read article
Digestive Health
Hemorrhoids and Varicose Veins in Pregnancy

Hemorrhoids and varicose veins might seem to be two different, unrelated problems, but they are actually quite similar. And, many women, especially those in the third trimester of pregnancy, have them.

Read article
OB/GYN
Cesarean Section

Cesarean section or C-section is the surgical delivery of a baby through a cut (incision) made in the mother's abdomen and uterus.