Ginger for nausea and vomiting in pregnancy: randomized, double-masked, placebo-controlled trial.

Objective: To determine the effectiveness of ginger for the treatment of nausea and vomiting of pregnancy.

Methods: Women with nausea and vomiting of pregnancy, who first attended an antenatal clinic at or before 17 weeks' gestation, were invited to participate in the study. During a 5-month period, 70 eligible women gave consent and were randomized in a double-masked design to receive either oral ginger 1 g per day or an identical placebo for 4 days.

A randomized controlled trial of membrane stripping at term to promote labor.

Objective: To determine the effectiveness of membrane stripping at term to promote the onset of labor.

Methods: One hundred twenty gravidas at 38 weeks' gestation, who were attending an antenatal clinic and planned to deliver at Maharaj Nakorn Chiang Mai University Hospital in northern Thailand, were assigned randomly to one of two groups. One group had weekly pelvic examinations only, and the other also had membrane stripping, beginning at 38 weeks' gestation and continuing until the onset of labor or until 42 completed weeks' gestation.

Pyridoxine for nausea and vomiting of pregnancy: a randomized, double-blind, placebo-controlled trial.

Objective: Our purpose was to determine the effectiveness of pyridoxine for nausea and vomiting of pregnancy.

Study Design: During an 11-month period 342 women who first attended Chiang Mai University Hospital antenatal clinic at < or = 17 weeks' gestation were randomized to received either oral pyridoxine hydrochloride, 30 mg per day, or placebo in a double-blind fashion. Patients graded the severity of their nausea by a visual analog scale and recorded the number of vomiting episodes over the previous 24 hours before treatment and again during 5 consecutive days on treatment.

A randomized double-blind trial of tinidazole treatment of the sexual partners of females with bacterial vaginosis.

Objective: To determine whether a single oral 2-g dose of tinidazole for women with clinically diagnosed bacterial vaginosis and their partners increases the cure rates as compared with the same treatment for the female patients alone.

Methods: During a 15-month period, 250 women aged 17-40 years who attended a gynecologic outpatient clinic for abnormal vaginal discharge and/or pruritus vulvae were randomized into two groups. They received a single oral dose of 2 g tinidazole while their partners received either 2 g tinidazole or placebo.