Trend in female genital mutilation and its associated adverse birth outcomes: A 10-year retrospective birth registry study in Northern Tanzania.

Background: Approximately 200 million women and girls were reported to have undergone female genital mutilation worldwide in 2015.UNICEF's data based on household survey estimates 15% of women from 15-49 years have undergone FGM from year 2004-2015. Despite this, reliable data on trend of prevalence of female genital mutilation and its associated birth outcomes have not been documented in Tanzania.