Contraceptive rings provide simple protection.
D001942:Breast Feeding; D003267:Contraception; D003274:Contraceptive Devices, Female; D005193:Family Planning Services; D006262:Health; D020249:Hormone Replacement Therapy; D007227:Infant Nutritional Physiological Phenomena; D009747:Nutritional Physiological Phenomena; D013812:Therapeutics
Breast Feeding; Contraception; Contraception Research; Contraceptive Methods--beneficial effects; Family Planning; Health; Hormone Replacement Therapy; Infant Nutrition; Nutrition; Treatment; Vaginal Rings--beneficial effects