Bed rest and activity restriction for women at risk for preterm birth: a survey of Canadian prenatal care providers.

Objective: To explore the practices of Canadian obstetricians, family physicians, and midwives in recommending bed rest or activity restriction for women at risk for preterm birth (PTB) and to assess the decisional conflict experienced by care providers when they recommend these therapies.

Methods: A self-administered mail survey of prenatal care providers was carried out using Dillman's Tailored Design Method. Analysis included descriptive statistics and analysis of variance.

Patterns of pregnancy exposure to prescription FDA C, D and X drugs in a Canadian population.

Objective: To examine prescription Food and Drug Administration (FDA) C, D and X drugs in general obstetric population.

Study Design: Historical cohort study.

Result: A total of 18 575 women who gave a birth in Saskatchewan between January 1997 and December 2000 were included.

Maternal characteristics associated with pregnancy exposure to FDA category C, D, and X drugs in a Canadian population.

Purpose: To estimate the frequency of exposure to prescription Food and Drug Administration (FDA) category C, D, and X drugs in pregnant women, and to analyze the maternal characteristics associated with such an exposure.

Methods: A 50% random sample of women who gave a birth in Saskatchewan between January 1, 1997 and December 31, 2000 was chosen for the study. The rate of exposure to FDA category C, D, or X drugs recorded in the pharmacist database was estimated.

Occurrence and determinants of trimethoprim/sulfamethoxazole use in pregnancy.

Objective: To estimate the rate of prescription trimethoprim/sulfamethoxazole use in pregnancy, and to analyse the association between maternal characteristics and use of trimethoprim/sulfamethoxazole in pregnancy.

Methods: A population-based study was conducted based on a 50% random sample of women who gave a birth in Saskatchewan between 1 January 1997 and 31 December 2000. The rate of trimethoprim/sulfamethoxazole use during pregnancy was estimated.

Selective serotonin reuptake inhibitors and adverse pregnancy outcomes.

Objective: The purpose of this study was to assess the safety of the use of selective serotonin reuptake inhibitors in pregnancy.

Study Design: We carried out a retrospective cohort study of 972 pregnant women who had been given at least 1 selective serotonin reuptake inhibitor prescription in the year before delivery and 3878 pregnant women who did not receive selective serotonin reuptake inhibitors and who were matched by the year of the infant's birth, the type of institute at birth, and the mother's postal code from 1990 to 2000 in the Canadian province of Saskatchewan.

Results: The risks of low birth weight (adjusted odds ratio, 1.