Prescription Drug Information: Microgestin 1/20 (Page 4 of 7)


Microgestin 1/20 is available in dispensers (NDC 51862-868-01) each containing 21 pale yellow tablets. Each pale yellow, biconvex, round tablet debossed with “L2″ on one side contains 1mg of norethindrone acetate and 20 mcg of ethinyl estradiol.

Microgestin 1/20 Tablets are available in the following configurations:

Carton of 1 NDC 51862-868-02

Carton of 3 NDC 51862-868-03

Carton of 6 NDC 51862-868-06

Store at 20 ˚C ~ 25 ˚C (68 ˚F~77 ˚F) [See USP Controlled Room Temperature].


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47. McPherson, K., M. Vessey, A. Neil, R. Doll, L. Jones, and M. Roberts: Early contraceptive use and breast cancer: Results of another case-control study. Brit. J. Cancer, 56: 653-660, 1987.

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54. WHO Collaborative Study of Neoplasia and Steroid Contraceptives: Invasive cervical cancer and combined oral contraceptives. Brit. Med. J., 290:961-965, 1985.

55. Rooks, J.B., H.W. Ory, K.G. Ishak, L.T. Strauss, J.R. Greenspan, A.P. Hill, and C.W. Tyler: Epidemiology of hepatocellular adenoma: The role of oral contraceptive use. J.A.M.A., 242:644-648, 1979.

56. Bein, N.N., and H.S. Goldsmith: Recurrent massive hemorrhage from benign hepatic tumors secondary to oral contraceptives. Brit. J. Surg., 64:433-435, 1977.

57. Klatskin, G.: Hepatic tumors: Possible relationship to use of oral contraceptives. Gastroenterology, 73:386-394, 1977.

58. Henderson, B.E., S. Preston-Martin, H.A. Edmondson, R.L. Peters, and M.C. Pike: Hepatocellular carcinoma and oral contraceptives. Brit. J. Cancer, 48:437-440, 1983.

59. Neuberger, J., D. Forman, R. Doll, and R. Williams: Oral contraceptives and hepatocellular carcinoma. Brit. Med. J., 292:1355-1357, 1986.

60. Forman, D., T.J. Vincent, and R. Doll: Cancer of the liver and oral contraceptives. Brit. Med. J., 292: 1357-1361, 1986.

61. Harlap, S., and J. Eldor: Births following oral contraceptive failures. Obstet. Gynec., 55:447-452, 1980.

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63. Janerich, D.T., J.M. Piper, and D.M. Glebatis: Oral contraceptives and birth defects. Am. J. Epidemiology, 112:73-79, 1980.

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70. Strom, B.L., R.T. Tamragouri, M.L. Morse, E.L. Lazar, S.L. West, P. D. Stolley, and J.K. Jones: Oral contraceptives and other risk factors for gallbladder disease. Clin. Pharmacol. Ther., 39:335-341, 1986.

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74. Royal College of General Practitioners’ Oral Contraception Study: Effect on hypertension and benign breast disease of progestogen component in combined oral contraceptives. Lancet, 1:624, 1977.

75. Fisch, I.R., and J. Frank: Oral contraceptives and blood pressure. J.A.M.A., 237:2499-2503, 1977.

76. Laragh, A.J.: Oral contraceptive induced hypertension: Nine years later. Amer. J. Obstet. Gynecol., 126:141-147, 1976.

77. Ramcharan, S., E. Peritz, F.A. Pellegrin, and W.T. Williams: Incidence of hypertension in the Walnut Creek Contraceptive Drug Study cohort. In Pharmacology of Steroid Contraceptive Drugs. Edited by S. Garattini and H.W. Berendes. New York, Raven Press, pp. 277-288, 1977. (Monographs of the Mario Negri Institute for Pharmacological Research, Milan.)

78. Back DJ, Orme ML’E. Drug interactions, in Pharmacology of the contracepive steroids. Goldzieher JW, Fotherby K (eds), Raven Press, Ltd., New York, 1994, 407-425.

79. The Cancer and Steroid Hormone Study of the Centers for Disease Control and the National Institute of Child Health and Human Development: Oral contraceptive use and the risk of ovarian cancer. J.A.M.A., 249:1596-1599, 1983.

80. The Cancer and Steroid Hormone Study of the Centers for Disease Control and the National Institute of Child Health and Human Development: Combination oral contraceptive use and the risk of endometrial cancer. J.A.M.A., 257:796-800, 1987.

81. Ory, H.W.: Functional ovarian cysts and oral contraceptives: Negative association confirmed surgically. J.A.M.A., 228:68-69, 1974.

82. Ory, H.W., P. Cole, B. Macmahon, and R. Hoover: Oral contraceptives and reduced risk of benign breast disease. N.E.J.M., 294:41-422, 1976.

83. Ory, H.W.: The noncontraceptive health benefits from oral contraceptive use. Fam. Plann. Perspectives, 14:182-184, 1982.

84. Ory, H.W., J.D. Forrest, and R. Lincoln: Making Choices: Evaluating the health risks and benefits of birth control methods. New York, The Alan Guttmacher Institute, p.1, 1983.

85. Miller, D.R., L. Rosenberg, D.W. Kaufman, P. Stolley, M.E. Warshauer, and S. Shapiro: Breast cancer before age 45 and oral contraceptive use: new findings. Am. J. Epidemiol., 129:269-280, 1989.

86. Kay, C.R., and P.C. Hannaford: Breast cancer and the pill: a further report from the Royal College of General Practitioners Oral Contraception Study. Br. J. Cancer, 58:675-680, 1988.

87. Stadel, B.V., S. Lai, J.J. Schlesselman, and P. Murray: Oral contraceptives and premenopausal breast cancer in nulliparous women. Contraception, 38:287-299, 1988.

88. UK National Case—Control Study Group: Oral contraceptive use and breast cancer risk in young women. Lancet, 973-982, 1989.

89. Romieu, I., W.C. Willett, G.A. Colditz, M.J. Stampfer, B. Rosner, C.H. Hennekens, and F.E. Speizer: Prospective study of oral contraceptive use and risk of breast cancer in women. J. Natl. Cancer Inst., 81:1313-1321, 1989.

The patient labeling for oral contraceptive drug products is set forth below.

This product (like all oral contraceptives) is intended to prevent pregnancy. It does not protect against HIV infection (AIDS) and other sexually transmitted diseases. provides trustworthy package insert and label information about marketed prescription drugs as submitted by manufacturers to the U.S. Food and Drug Administration. Package information is not reviewed or updated separately by Every individual prescription drug label and package insert entry contains a unique identifier which can be used to secure further details directly from the U.S. National Institutes of Health and/or the FDA.

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