Combined Oral Contraceptives |
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Combined Oral Contraceptives (COCs) are pills which contain the hormones estrogen and progestin. They are taken daily. COCs suppress ovulation, thicken the cervical mucus (preventing sperm penetration) change the endometrium (making implantation less likely), and reduce sperm transport in the upper genital tract (fallopian tubes). |
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Contraceptive Methods
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