Effect of Hyoscine- Bromide on Duration of the First Stage of Labor

Effect of Hyoscine- Bromide on Duration of the First Stage of Labor

Spasmolytic drugs are frequently used in delivery rooms to overcome cervical spasms and thus reduce the duration of labor. The aim of this randomized double blind placebo controlled trial is to study the efficacy of hyoscine butylbromide (HBB) for shortening of the first stage of labor in primigravid women.

Inclusion Criteria:

1. Primigravid women.
2. Singleton pregnancy.
3. Presenting by the vertex.
4. Gestational age between 37 and 42 weeks
5. In active phase of labor with a cervical dilatation between 4-5 cm, with either intact membranes or spontaneous rupture of membranes for less than 12 h

Exclusion Criteria:

1. Previous uterine scarring.
2. Malpresentation.
3. Antepartum hemorrhage.
4. Labor induction
5. Contraindication to vaginal delivery.
6. Contraindication to hyoscine.