Shelden, R Multiple gestation is associated with the use of high sperm numbers in the intrauterine insemination specimen in women undergoing gonadotropin stimulation. [electronic resource] - Fertility and sterility Apr 1988 - 607-10 p. digital Publication Type: Journal Article ISSN: 0015-0282 Standard No.: 10.1016/s0015-0282(16)59826-4 doi Subjects--Topical Terms: AdultFemaleHumansInfertility--etiologyInsemination, Artificial--methodsInsemination, Artificial, Homologous--methodsMaleMenotropins--administration & dosageOvulation InductionPregnancyPregnancy, MultipleRisk FactorsSperm CountSperm Motility