Use of video display terminals during pregnancy and the risk of spontaneous abortion
, low birth weight, or intrauterine growth retardation.
Rachel Flink-Bochacki, M.D., M.P.H., from the University of Pittsburgh, and colleagues conducted semi-structured qualitative interviews with 26 women who recently experienced spontaneous abortion
. Coders used an inductive, iterative approach to code transcripts and identify themes.
The results of our study confirm that foetal demise tends to occur well before the end of the first trimester; in our study 82.4% had spontaneous abortion
before 12 weeks of gestation and only 17.6% had spontaneous abortion
in the second trimester.
The case group consist of 257 women whose pregnancies ended with spontaneous abortion
. The control group consisted of 514 women whose pregnancy continued since 22 weeks and more during the study.
"There has also been no indication of increased rates of spontaneous abortion
in women who become pregnant, but obviously, these data are limited because we don't necessarily have a control group.
Chorionic samples of spontaneous abortion
can be examined by various methods to investigate the etiology of SM, especially genetic factors.
If this quantitative hCG does not double appropriately in the follow-up, I counsel the patient about the greater chance of a spontaneous abortion
or ectopic pregnancy.
Essentially, after adjustment for the depression diagnosis, the risk moves toward the null, and spontaneous abortion
rates are comparable between unexposed and exposed pregnancies.
A total of 570 participants, 325 diagnosed with spontaneous abortion
and 245 control patients who underwent timely births were included into our study.
The role of VEGF receptors in recurrent receptors in recurrent spontaneous abortion
. Iranian Journal of Reproduction Medicine 2013: p.
Kharbanda, M.D., M.P.H., from HealthPartners Institute in Minneapolis, and colleagues compared risks for spontaneous abortion
after 4vHPV in three exposure windows -- distal (16 to 22 weeks before the last menstrual period; 33 percent of participants), peripregnancy (within six weeks before the last menstrual period; 35 percent), and during pregnancy (last menstrual period through 19 weeks of gestation; 32 percent) -- among a cohort of 2,800 females 12 to 27 years of age with a pregnancy between 2008 and 2014.
The main risk factors analysed before pregnancy were: body mass index (BMI) - only quantified before pregnancy in our study, because during pregnancy disposition for obesity could be influenced by diabetes or many other factors(BMI categories: underweight = 30 or greater), age, weight, height, family history of preterm birth, personal history of spontaneous abortion
, incontinent cervix, uterine surgery, chronic hypertension, asthma, diabetes, kidney disease and smoking.