In an earlier publication1 the contraceptive practices of 2,000 patients seen in private practice were presented. In a subsequent paper2 the time required for conception in 1,727 planned pregnancies was studied in detail. The case histories in the foregoing studies were obtained at the initial office visit, usually at the eighth or ninth week of pregnancy. All the patients were married residents of the Baltimore metropolitan area, over 99 per cent of them white and 3 of 5 Jewish. The majority of the husbands were professional men, business executives or other types of white collar workers. In all the cases reported in the second study2 conception had been preceded by a period of contraception, which was discontinued to achieve pregnancy.
In this contribution we shall report the outcome of pregnancy in 1,497 women. The fetal outcome in 230 of the 1,727 pregnancies was unknown. Either the women
TIETZE C, GUTTMACHER AF, RUBIN S. UNINTENTIONAL ABORTION IN 1,497 PLANNED PREGNANCIES. JAMA. 1950;142(17):1348-1350. doi:10.1001/jama.1950.02910350018006