TY - JOUR
T1 - Outcome after maternal varicella infection in the first 20 weeks of pregnancy
AU - Pastuszak, Anne L.
AU - Levy, Maurice
AU - Schick, Betsy
AU - Zuber, Carol
AU - Feldkamp, Marcia
AU - Gladstone, Johnathan
AU - Bar-Levy, Fanny
AU - Jackson, Elaine
AU - Donnenfeld, Alan
AU - Meschino, Wendy
AU - Koren, Gideon
PY - 1994/3/31
Y1 - 1994/3/31
N2 - Infection with the varicella-zoster virus during pregnancy can produce an embryopathy characterized by limb hypoplasia, eye and brain damage, and skin lesions. The risk is greatest when infection occurs during the first 20 weeks of pregnancy, but the magnitude of the risk is uncertain. We studied 106 women with clinically diagnosed varicella infection in the first 20 weeks of pregnancy and compared the outcomes with those in 106 age-matched, nonexposed controls. Among the women with varicella, there was a trend toward more elective terminations of pregnancy (14 percent, vs. 7.5 percent among the controls; P = 0.1), corresponding to a significantly higher perception of teratogenic risk (P = 0.03). The proportions of miscarriages and live births and the mean birth weights were similar in the two study groups; there were more premature births (≤ 37 weeks) among the women with varicella infection (14.3 percent vs. 5.6 percent, P = 0.05). Congenital defects occurred in four infants born to the women with varicella (varicella embryopathy, hydrocephalus, meningocele and clubfeet, and hammer toe) and two infants born to the controls (ventricular septal defect and hip dislocation). The risk of varicella embryopathy after infection in the first 20 weeks was 1.2 percent (95 percent confidence interval, 0 to 2.4 percent). When we pooled our results with those from other prospective studies, the mean risk of embryopathy after infection with varicella-zoster virus in the first trimester was 2.2 percent (95 percent confidence interval, 0 to 4.6 percent). The absolute risk of embryopathy after maternal varicella infection in the first 20 weeks of pregnancy is about 2 percent.
AB - Infection with the varicella-zoster virus during pregnancy can produce an embryopathy characterized by limb hypoplasia, eye and brain damage, and skin lesions. The risk is greatest when infection occurs during the first 20 weeks of pregnancy, but the magnitude of the risk is uncertain. We studied 106 women with clinically diagnosed varicella infection in the first 20 weeks of pregnancy and compared the outcomes with those in 106 age-matched, nonexposed controls. Among the women with varicella, there was a trend toward more elective terminations of pregnancy (14 percent, vs. 7.5 percent among the controls; P = 0.1), corresponding to a significantly higher perception of teratogenic risk (P = 0.03). The proportions of miscarriages and live births and the mean birth weights were similar in the two study groups; there were more premature births (≤ 37 weeks) among the women with varicella infection (14.3 percent vs. 5.6 percent, P = 0.05). Congenital defects occurred in four infants born to the women with varicella (varicella embryopathy, hydrocephalus, meningocele and clubfeet, and hammer toe) and two infants born to the controls (ventricular septal defect and hip dislocation). The risk of varicella embryopathy after infection in the first 20 weeks was 1.2 percent (95 percent confidence interval, 0 to 2.4 percent). When we pooled our results with those from other prospective studies, the mean risk of embryopathy after infection with varicella-zoster virus in the first trimester was 2.2 percent (95 percent confidence interval, 0 to 4.6 percent). The absolute risk of embryopathy after maternal varicella infection in the first 20 weeks of pregnancy is about 2 percent.
UR - http://www.scopus.com/inward/record.url?scp=0028349852&partnerID=8YFLogxK
U2 - 10.1056/NEJM199403313301305
DO - 10.1056/NEJM199403313301305
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C2 - 8114861
AN - SCOPUS:0028349852
SN - 0028-4793
VL - 330
SP - 901
EP - 905
JO - New England Journal of Medicine
JF - New England Journal of Medicine
IS - 13
ER -