During a 12-month period 170 women received early postpartum rubella vaccination. An injectable "depot" progestogen was given to each of these patients for contraceptive purposes at the same time as the vaccine was administered. Subsequent observations showed that the progestogen was effective as a contraceptive in this context and that it did not appear to affect the immune response of the patients to the vaccine.
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Sharp et al. (1973) studied this question.
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