[Etiological study of low fertility in eastern Gaboon. II. Results according to the geographical distribution and the ethnic group (author's transl)].

An epidemiological study was conducted in Haut-Ogooué and Ogooué-Lolo, and included 875 men and 673 women. The purpose of this article is to precise the geographical distribution of the factors related to low fertility, and to verify the stability of the etiological relations according to the region, the place of residence and the ethny. Among men, hydroceles and epididym lesions are more frequent in Ogooué-Lolo, in small villages, and in forest areas. Microfilariae Loa-loa and D. perstans has the same distribution. In both regions and what ever the type of residence (town or village), the epididym lesions are more frequent in non fertile men, microfilariae is linked with genital lesions and is more seldom found in men who are the fathers of more than two children. Among women, leukorrheas, pelvic pains, and adnexal masses are related to low fertility, what ever the place of residence is.