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The effect of induced abortion on spontaneous pregnancy loss in subsequent pregnancies was studied based on 3,416 pairs of matched data in a follow-up investigation. Pregnancy outcome was examined also in relation to abortion procedure, gestation length at time of abortion, and number of previous abortions. In general there was no significant association between prior induced abortion and risks of pregnancy loss with the relative risks of 1.10, 0.88, and 0.81 for the first to third trimester respectively. A slight increase of first-trimester spontaneous loss was noted with the D&C/Suction procedure and early induced abortion (less than 9 weeks). The D&C procedure was associated with non-significant increase of second-trimester loss with the relative risk of 1.59.
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
January 1979,
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
April 1978,
British medical journal,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
July 1978,
British medical journal,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
February 1983,
European journal of obstetrics, gynecology, and reproductive biology,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
September 1996,
Epidemiology (Cambridge, Mass.),
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
March 1981,
JAMA,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
February 2001,
BMJ (Clinical research ed.),
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
January 1979,
Acta obstetricia et gynecologica Scandinavica,
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
July 1987,
British medical journal (Clinical research ed.),
C S Chung, and
R G Smith, and
P G Steinhoff, and
M P Mi
October 1987,
British medical journal (Clinical research ed.),
