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SCOTTSDALE, ARIZ. -- The more obese a woman is before becoming pregnant, the lower her chances will be for successful induction of labor, according to researchers who reviewed computerized records of 45,998 pregnancies in a German database.
Dr. Rabbie Hanna and his colleagues reported the rate of successful induction fell from a high of 79% for women of normal weight with a body mass index (BMI) below 25 kg/[m.sup.2] to a low of 48% in morbidly obese women with a BMI of 40 kg/[m.sup.2] or higher. Between the two extremes, the researchers from Wayne State University in Detroit computed success rates of 71% for overweight women with a BMI range of 25-29 kg/[m.sup.2], 69% for women with class I obesity of 30-34.9 kg/[m.sup.2], and 65% for women with class II obesity of 35-39.5 kg/[m.sup.2].
"We saw that as obesity increases, normal labor decreases and induction of labor increases," Dr. Hanna said in an interview at the annual meeting of the Central Association of Obstetricians and Gynecologists, where he presented the data in a poster.
The study mined a perinatal database of 170,258 cases collected from 1991 to 1997 in the state of Schleswig-Holstein. The ...
Source: HighBeam Research, Labor induction less successful in morbidly obese.(Obstetrics)