Mechanisms that explain the contraceptive action of progestin implants for women

Croxatto, 2002, Progestin implants for female contraception, Contraception, 65, 15, 10.1016/S0010-7824(01)00293-1

Croxatto, 1982, Plasma progesterone levels during long-term treatment with levonorgestrel Silastic implants, Acta Endocrinol, 101, 307, 10.1530/acta.0.1010307

Brache, 1990, Ovarian endocrine function through five years of continuous treatment with Norplant subdermal contraceptive implants, Contraception, 41, 169, 10.1016/0010-7824(90)90145-L

Croxatto, 1988, Estradiol plasma levels during long-term treatment with Norplant subdermal implants, Contraception, 38, 465, 10.1016/0010-7824(88)90087-X

Faundes, 1991, Ovulatory dysfunction during continuous administration of low-dose levonorgestrel by subdermal implants, Fertil Steril, 56, 27, 10.1016/S0015-0282(16)54411-2

Olsson, 1990, Ovarian function during use of subdermal implants releasing low doses of levonorgestrel, Br J Fam Plann, 16, 88

Shoupe, 1991, Characteristics of ovarian follicular development in Norplant users, Fertil Steril, 55, 766, 10.1016/S0015-0282(16)54245-9

Shaaban, 1993, Sonographic assessment of ovarian and endometrial changes during long-term Norplant use and their correlation with hormonal levels, Fertil Steril, 59, 998, 10.1016/S0015-0282(16)55917-2

Alvarez, 1996, Ultrasonographic and endocrine evaluation of ovarian function among Norplant implant users with regular menses, Contraception, 54, 275, 10.1016/S0010-7824(96)00179-5

Diaz, 1986, Bleeding pattern, outcome of accidental pregnancies, and levonorgestrel plasma levels associated with method failure in Norplant implants users, Contraception, 33, 347, 10.1016/0010-7824(86)90096-X

Eppig, 1993, Regulation of mammalian oocyte maturation, 185

Salustri, 1993, Oocyte-granulosa cell interactions, 209

Espey, 1994, Ovulation, 725

Downs, 1995, Ovulation 2, 150

Tsafriri, 1996, Ovulation, 385

Bomsel-Helmreich, 1989, Effects of varying doses of HCG on the evolution of preovulatory rabbit follicles and oocytes, Human Reprod, 4, 636, 10.1093/oxfordjournals.humrep.a136957

Zelinski-Wooten, 1991, Titrating luteinizing hormone surge requirements for ovulatory changes in primate follicles. I. Oocyte maturation and corpus luteum function, J Clin Endocrinol Metab, 73, 577, 10.1210/jcem-73-3-577

Hamilton, 1985, Follicle growth curves and hormonal patterns in patients with the luteinized unruptured follicle syndrome, Fertil Steril, 43, 541, 10.1016/S0015-0282(16)48494-3

Hamilton, 1987, Ovulatory disturbances in patients with luteal insufficiency, Clin Endocrinol (Oxf), 26, 129, 10.1111/j.1365-2265.1987.tb00768.x

Cohlen, 1993, The pattern of the luteinizing hormone surge in spontaneous cycles is related to the probability of conception, Fertil Steril, 60, 413, 10.1016/S0015-0282(16)56152-4

Verpoest, 2000, Relationship between midcycle luteinizing hormone surge quality and oocyte fertilization, Fertil Steril, 73, 75, 10.1016/S0015-0282(99)00481-1

Croxatto, 1996, Gamete transport, 385

Gorodeski, 1996, The cervical cycle, 301

1992

Friberg, 1972, Daily postcoital tests in the conception cycle during treatment of anovulatory women with human gonadotropins, Int J Fertil, 17, 178

Katz, 1980, A new quantitative test of sperm penetration into cervical mucus, Fertil Steril, 33, 179, 10.1016/S0015-0282(16)44539-5

Brache, 1985, Anovulation, inadequate luteal phase and poor sperm penetration in cervical mucus during prolonged use of Norplant implants, Contraception, 31, 261, 10.1016/0010-7824(85)90096-4

Croxatto, 1987, Treatment with Norplant subdermal implants inhibits sperm penetration through cervical mucus in vitro, Contraception, 36, 193, 10.1016/0010-7824(87)90014-X

Dunson, 1998, Timing of onset of contraceptive effectiveness in Norplant implant users. 1. Changes in cervical mucus, Fertil Steril, 69, 258, 10.1016/S0015-0282(97)00476-7

Croxatto, 1983, Histopathology of the endometrium during continuous use of Levonorgestrel, 290

Maqueo, 1970, Endometrial changes in women using hormonal contraceptives for periods up to ten years, Contraception, 1, 115, 10.1016/0010-7824(70)90051-X

Croxatto, 1998, The pharmacodynamics and efficacy of Implanon. An overview of the data, Contraception, 58, 91S, 10.1016/S0010-7824(98)00118-8

Hickey, 2002, Vaginal bleeding disturbances and implantable contraceptives, Contraception, 65, 75, 10.1016/S0010-7824(01)00292-X

Segal, 1991, Norplant implants, Fertil Steril, 56, 273, 10.1016/S0015-0282(16)54484-7

Davies, 1993, Release characteristics, ovarian activity, and menstrual bleeding pattern with a single implant releasing 3-ketodesogestrel, Contraception, 47, 251, 10.1016/0010-7824(93)90042-6

Dı́az, 1995, Clinical trial with Nestorone subdermal contraceptive implants, Contraception, 51, 33, 10.1016/0010-7824(94)00006-I

Coutihno, 1999, Use of a single implant of Elcometrine (ST-1435), a nonorally active progestin, as a long-acting contraceptive for postpartum women, Contraception, 59, 115, 10.1016/S0010-7824(99)00004-9

Lähteenmäki, 1982, Pituitary and ovarian function during contraception with one subcutaneous implant releasing a progestin, ST 1435, Contraception, 25, 299, 10.1016/0010-7824(82)90053-1

Kurunmäki, 1985, Contraception with subdermal ST-1435 capsules, Contraception, 31, 305, 10.1016/0010-7824(85)90099-X

Lähteenmäki, 1985, Concentration-dependent mechanisms of ovulation inhibition by the progestin ST-1435, Fertil Steril, 44, 20, 10.1016/S0015-0282(16)48671-1

Laurikka-Routti, 1992, A contraceptive subdermal implant releasing the progestin ST-1435, Fertil Steril, 58, 1142, 10.1016/S0015-0282(16)55559-9

Haukkamaa, 1992, Contraception with subdermal implants releasing the progestin ST-1435, Contraception, 45, 49, 10.1016/0010-7824(92)90140-O

Brache, 2000, Ovarian function during use of Nestorone subdermal implants, Contraception, 61, 199, 10.1016/S0010-7824(00)00092-5

Coutinho, 1993, One year contraception with a single subdermal implant containing Nomegestrol acetate (Uniplant), Contraception, 47, 97, 10.1016/0010-7824(93)90112-K

Barbosa, 1996, Effects of a single contraceptive implant containing nomegestrol acetate on ovarian function and cervical mucus production during two years, Ferti Steril, 65, 724, 10.1016/S0015-0282(16)58204-1

Devoto, 1997, Hormonal profile, endometrial histology and ovarian ultrasound assessment during 1 year of nomegestrol acetate implant (Uniplant), Hum Reprod, 12, 708, 10.1093/humrep/12.4.708

Barnhart, 1997, Neuroendocrine mechanism of anovulation in users of contraceptive subdermal implant of nomegestrol acetate (Uniplant), Fertil Steril, 67, 250, 10.1016/S0015-0282(97)81906-1

Barbosa, 1996, Temporal relationship between Uniplant insertion and changes in cervical mucus, Contraception, 54, 213, 10.1016/S0010-7824(96)00191-6