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Amenorrhea is considered a type of abnormal menstrual bleeding characterized by the unexpected absence of menstrual bleeding, lasting three months or…
Amenorrhea, PrimaryMenstruation disordersMenstrual CyclePolycystic ovary syndromeBirth ControlThe NuvaRing is a self-administered hormonal contraceptive device in the form of a flexible plastic ring that is inserted into the vagina. It…
TechnologyContraceptivesContraceptives, VaginalContraceptives industryContraceptive drugs