Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Welcome to MedlinePlus

MedlinePlus is an online health information resource for patients and their families and friends. It is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). Learn more about MedlinePlus

Pelvic Inflammatory Disease
FEATURED TOPIC
Pelvic Inflammatory Disease
Pelvic inflammatory disease (PID) is an infection of the uterus, ovaries, and other female reproductive organs. It is the most common preventable cause of infertility in the U.S.
Learn more
Health Topics Find information on health, wellness, disorders and conditions
Medical Encyclopedia Articles and images for diseases, symptoms, tests, treatments
Genetics Explore genetic conditions, genes, and how genetic variations affect health
Drugs & Supplements Prescription drugs, over-the-counter medicines, herbs, and supplements
Medical Tests Learn why your doctor orders medical tests and what the results may mean
Healthy Recipes These recipes show you how to prepare tasty, quick meals as part of a healthy lifestyle
Easy-to-Read Health Information
Health Information in Multiple Languages
MedlinePlus Connect for EHRs
All of Us
NIH MedlinePlus Magazine
Clinical Trials