
doi: 10.18597/rcog.2471
Se agrupan en esta clasificación los métodos que constituyen un obstáculo mecánico que impiden al semen ponerse en contacto con la vagina o el cervix, siendo los más conocidos y usados el condón y el diafragma; o los métodos que afectan la motilidad o vitalidad del espermatozoide, como los preparados espermicidas.
RG1-991, Gynecology and obstetrics
RG1-991, Gynecology and obstetrics
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