In order to develop a program for prevention of unwanted pregnancies,
we conducted a survey of contraceptive practices and reasons for contr
aceptive failures of 1520 women seeking abortion at eight large hospit
als in Zheng Zhou City, Henan Province, P.R. China, during the period
from March 1996 to May 1996. The most frequent cause of the unplanned
pregnancy was contraceptive failure (71.9%); 61.7% (938) of these curr
ent pregnancies were potentially predictable by virtue of nonuse of co
ntraception (427) or by recognition of contraceptive failures (511). A
mong the contraceptive failures, the proportion of condom mishaps was
the highest (29.7%), next was IUD failures (23.5%), then rhythm miscal
culation (15.9%). Most of abortion seekers (77.1%) used some contracep
tive methods previously. But, only 19.7% of them used a contraceptive
method at the first sexual intercourse. Among 1520 abortion seekers, 5
7.6% had used condoms previously; 50.9% of the condom users had at lea
st one instance of condom mishap. The rhythm method had been used by 3
1.7% of abortion seekers previously; 59.1% of the rhythm users had at
least one instance of rhythm failure. Of the 16.8% of abortion seekers
who had used pills, 56.0% of them had pill failures. Among condom and
pill failures, most of them (46.4% condom users and 56.0% pill users)
belonged to the user failure category (poor compliance). Of those see
king abortion, 56.4% had experienced at least one instance of previous
abortion; 5.3% had experienced previous abortions at least two times.
Emergency contraception had been utilized by only 10 subjects prior t
o this current pregnancy. (C) 1997 Elsevier Science Inc.