title: Postpartum amenorrhea, waiting time to conception, and prevalence of pregnancy of women in a Sudanese agricultural community.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000209:etiology*; D001721:Birth Intervals; D005260:Female; D006801:Humans; D010298:Parity; D049590:Postpartum Period; D011247:Pregnancy; D012424:Rural Population; D013397:Sudan