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Pregnancy performance of 471 patients under age 15 who delivered between 1968 and 1972 was compared with that of the same number of control patients between 19 and 25 years of age. The control group was selected by the paired method technic, whereby each study patient was paired with a control patients utilizing identical race and contribution to hospital cost as the economic determinant. The results of the study showed that young patients differed significantly from the control group in having an earlier menarche and a greater number of recurring pregnancies within 18 months of the initial one. Pregnancy-induced hypertension and pelvic inlet contraction were pregnancy complications occurring more frequently among study patients than control patients.
Duenhoelter et al. (Tue,) studied this question.