Cigarette smoking during pregnancy in relation to placenta previa

Article Abstract:

Placenta previa is a condition whereby the placenta, which supplies the fetus with nutrients, becomes implanted in the lower segment of the uterus, partially or completely blocking the cervix. It occurs in between 3 and 10 deliveries per 1,000 and can cause injury or death to the mother. A number of risk factors have been identified, including smoking. Two recent studies have found that smoking during pregnancy increases the risk for placenta previa. This study further evaluated the association between smoking and placenta previa. Data were obtained from the Delivery Interview Program conducted at the Boston Hospital for women. Smoking history and other data were examined for 69 nondiabetic women with singleton deliveries who had placenta previa and for 12,351 nondiabetic women with singleton deliveries without the condition. The prevalence of the disorder was 5.5 per 1,000 deliveries. Smoking during pregnancy was reported by 44.9 percent of the women with placenta previa and by only 30.3 percent of those who did not have it. When other factors increasing the risk for this problem such as age and a history of spontaneous abortion were controlled for, smokers had a 2.6-fold greater risk for placenta previa. The increased risk when compared with those who had never smoked was 3.1 for those who smoked throughout pregnancy, 1.9 for those that stopped smoking during the first trimester, and 1.3 for those that stopped just before conception. These results indicate that smoking during pregnancy increases the risk of developing placenta previa. (Consumer Summary produced by Reliance Medical Information, Inc.)

Health aspects, Causes of, Smoking, Pregnancy, Complications of, Pregnancy complications, Placenta praevia, Placenta previa

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No increase in rates of early-onset neonatal sepsis by antibiotic-resistant group B Streptococcus in the ear of intrapartum antibiotic prophylaxis

Article Abstract:

A study was conducted to assess the rate of early-onset neonatal sepsis by antibiotic-resistant group B Streptococcus. However, according to the results, there was no increase in the rates of antibiotic-resistant group B Streptococcus early-onset neonatal sepsis.

Antibiotics, Complications and side effects, Infants (Newborn), Neonatal diseases, Streptococcus agalactiae

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No increase in rates of early-onset neonatal sepsis by non-group B Streptococcus or ampicillin-resistant organisms

Article Abstract:

Treating pregnant women with antibiotics based on their risk factors for group B streptococcal infection can reduce their chances of passing the infection to their baby during delivery. This does not appear to increase drug-resistance in other bacteria.

Care and treatment, Streptococcal infections, Prevention, Pregnant women

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