Human Reproduction, Vol 13, 758-761, Copyright © 1998 by Oxford University Press
TT Lao and LF Ho
To examine the possible impact of previous induced abortion on the
occurrence of preterm delivery in the subsequent pregnancy in teenage
women, a retrospective case-control study was performed on mothers aged
13-19 years who delivered in one tertiary hospital over a 4 year period.
Those who had a history of induced abortion prior to the index pregnancy
were identified from the records and compared with a control group without
previous induced abortion and who were matched for maternal age and parity.
Of the 118 cases thus identified, 28 (23.7%) had more than one induced
abortions and 18 (15.3%) had one or more induced abortions in the second
trimester. There were 10 (8.5%) para 1 cases. No significant differences
could be demonstrated between the study and control groups in the maternal
demographics, major pregnancy complications, or perinatal outcome, except
for the incidence of smokers which was significantly higher (39.0 versus
14.4%, P < 0.02) in the study group. The number of previous induced
abortions did not appear to be related to the incidence of preterm labour,
which was 10.2 and 8.5% in the study and control groups respectively. Our
findings indicate that previous induced abortion is not a significant cause
of preterm labour and delivery in teenage pregnancies.
ARTICLES
Induced abortion is not a cause of subsequent preterm delivery in teenage pregnancies
Department of Obstetrics and Gynaecology, The University of Hong Kong, Hong Kong.
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