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Illustrated Health Encyclopedia
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Ency. home > Disease > F > First trimester pregnancy

First trimester pregnancy    See images

Overview | Symptoms | Treatment | Prevention

Alternative names:

Early pregnancy; Pregnant - first trimester

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.

Ency. home > Disease > F > First trimester pregnancy

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