Bullough C H
Br J Obstet Gynaecol. 1976 Oct;83(10):819-22. doi: 10.1111/j.1471-0528.1976.tb00751.x.
In a prospective study, 138 African patients with infertility and 42 patients with incomplete abortion were examined for evidence of bilharziasis. There appeared to be a significant association between primary infertility and bilharziasis due to Schistosoma haematobium.