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.
stethoscope icon

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
Episiotomy

An episiotomy is an incision through the area between your vaginal opening and your anus. This area is called the perineum. This procedure is done to make your vaginal opening larger for childbirth.

Read article
Wellness
Tips for Traveling Moms-to-Be

Today's society is increasingly mobile, and the demands of career and family often require travel during a woman's pregnancy. Here are some tips and guidance for safe travels while you're pregnant.

Read article
OB/GYN
Chorionic Villus Sampling (CVS)

This prenatal test involves taking a sample of tissue from the placenta to test for chromosomal abnormalities and certain other genetic problems.