Oral pills are very popular contraceptives among the rural women.
Which of the following statements regarding various contraceptive methods are NOT correct? S1: Saheli is a once-a-week steroidal oral contraceptive with high contraceptive value. S2: Injectable contraceptives contain only progestogens and have a shorter effective period compared to oral pills. S3: Diaphragms, cervical caps, and vaults are reusable barrier methods that prevent conception by blocking sperm entry through the cervix. S4: Emergency contraceptives are effective if taken within 24 hours of coitus. S5: Vasectomy involves tying up a small part of the vas deferens, and its reversibility is generally very poor.
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