The epidemiology of infertility : report of a WHO Scientific Group, Geneva, 30 June - 4 July 1975. - Geneva : World Health Organization, 1975. - 37 p. - Technical report series / World Health Organization ; no. 582. . - Technical report series (World Health Organization) ; no. 582. .

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Infertility, Female--Prevention.
Communicable diseases in pregnency.
Infertility--Research.--Developing countries
Pregnancy--Complications