Nuvaring Patches contains Etonogestrel and Ethinyl Estradiol. Etonogestrel and Ethinyl Estradiol both are female hormones. This Ring is available by prescription and prevents the release of an egg from the ovary due to the presence of the two hormones.
Progesterone is a female hormone that is significant for the regulation of ovulation and menstruation. Whenever women who have not reached menopause yet begin to experience irregular periods, it means that progesterone is lacking from their body.