Injections can be estrogen and progestin lunelle

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injections - can be estrogen and progestin  (Lunelle given once a month, removed from  US market January 2005) or progestin only  (DepoProvera given once every 3 months) Slide 8 Hormonal Contraceptives implantable capsule - progestin only  (Implanon and Nexplanon – effective  for up to 3 years) Slide 9 Hormonal Contraceptives intrauterine devices (I UDs) - progestin only (Mirena) – effective up  to 5 years
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Slide 10 Hormonal Contraceptives patch - both estrogen and progestin  (Ortho Evra, one patch per week)  Slide 11 Hormonal Contraceptives vaginal ring – both estrogen and  progestin (NuvaRing, one ring per  month) Slide 12 Actions of Estrogen in  Contraceptives Inhibits ovulation through inhibiting  production of GnRH Results in low FSH and low LH, little or  no follicle growth, and low estrogen. Increases the rate of ovum transport  through the oviduct. More often an action in emergency or post - coital contraceptive, not in regular hormonal  contraception.
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Slide 13 Actions of Progestin in  Contraceptives 1. I nhibits LH and FSH production by the  anterior pituitary. Prevents ovulation (slightly less effective  than estrogen but still very effective).
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