MEDLINEplus Health Information: Return to home page   A service of the National Library of Medicine: Go to NLM home page
Search     Advanced Search    Site Map    About MEDLINEplus    Home
Health Topics: conditions, diseases and wellness Drug Information: generic and brand name drugs Dictionaries: spellings and definitions of medical terms Directories: doctors, dentists and hospitals Other Resources: organizations, libraries, publications, MEDLINE

Medical Encyclopedia
Disease     Injury     Nutrition     Poison     Special     Surgery     Symptoms     Tests
Fetus (12 weeks old)
Ultrasound, pregnancy
 
Overview   Symptoms   Treatment   Prevention   

First trimester pregnancy

Alternative names:

early pregnancy; first 3 months of pregnancy; pregnant

Prevention:

A wide variety of contraceptive methods, designed to prevent pregnancy, are currently available. The user effectiveness rates vary from less than 1 pregnancy per 100 women per year with Depo-Provera injections or progestin implants to 20 to 30 pregnancies per 100 women per year with the rhythm or calendar methods. The only 100% effective means of contraception is complete abstinence.




Adam

The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Copyright 2000 adam.com, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

Health Topics | Drug Information | Dictionaries | Directories | Other Resources
U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
Copyright and Privacy Policy, We welcome your comments.