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Nexplanon/Implanon consists of a single rod made of ethylene vinylacetate copolymer that is 4 cm long and 2 mm in diameter. [31] It is similar to a matchstick in size. The rod contains 68 mg of etonogestrel (sometimes called 3-keto-destrogestrel), a type of progestin. [ 24 ]
Physiologic amenorrhea is present before menarche, during pregnancy and breastfeeding, and after menopause. [3] Breastfeeding or lactational amenorrhea is also a common cause of secondary amenorrhoea. [26] Lactational amenorrhea is due to the presence of elevated prolactin and low levels of LH, which suppress ovarian hormone secretion. [27]
Hormonal contraceptives can come in multiple forms including injectables. Depot medroxyprogesterone acetate (DMPA), a progestin-only injectable, has been found to cause amenorrhea (cessation of menstruation); however, the irregular bleeding pattern returns to normal over time. [15] [16] DMPA has also been associated with weight gain. [16]
Mothers who breastfed exclusively longer showed a longer span of lactational amenorrhea, ranging from an average of 5.3 months in mothers who breastfed exclusively for only two months to an average of 9.6 months in mothers who did so for six months. [10] Another factor shown to affect the length of amenorrhea was the mother's age.
Combined oral contraceptive pills contain progestin, which causes the lining of the uterus to be thinner, resulting in lighter bleeding episodes for those with heavy menstrual bleeding. [ 77 ] Amenorrhea
[1] [47] At high doses, due to their antigonadotropic effects, progestogens can cause low sex hormone levels and associated side effects like diminished secondary sexual characteristics, sexual dysfunction (e.g., reduced sex drive and erectile dysfunction), reversible infertility, reduced bone mineral density, and an increased risk of bone ...
A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.
It is effective for five years. Nexplanon has replaced the former Implanon and is also a single rod that releases etonogestrel (similar to the body's natural progesterone). The only difference between Implanon and Nexplanon is Nexplanon is radio opaque and can be detected by x-ray. This is needed for cases of implant migration.