Dr. Charles Miller, of Chicago, Ill., holds a coil device that is implanted in a woman’s fallopian tubes to form scar tissue which eventually blocks fertilization. Mct file photo Carol Caruso, 37, of ...
Hormonal birth control helps prevent pregnancy by stopping ovulation and blocking sperm. Nonhormonal methods work by physically blocking sperm or using spermicide. Hormonal options include pills, ...
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