Contraceptive usage during lactation: analysis of 1973 and 1976 National Survey of Family Growth: I. Age and race.

Data from the National Survey of Family Growth are analyzed to estimate the prevalence of contraceptive use during lactation. Approximately 20 per cent of lactating women were sexually active and did not use a method in months two through six, postpartum. Among method users, the largest proportion chose barrier methods but 14 per cent used oral contraceptives in the early postpartum period. Between 1973 and 1976 there was an increase in the percentage of women who utilized a contraceptive method during lactation and a decrease in the per cent using oral contraceptives.