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Combined Hormonal Contraceptives (21-day regimen)

Drug Class: Commonly Known As: Category:
Oral Contraceptives Mercilon, Microgynon, Yasmin, Liza, Belara Adult

Combined Hormonal Contraceptives (21-day regimen) - What is it for

Combined hormonal contraceptives contain two types of female hormones, estrogen and progestogen. This medication can help prevent ovulation and regulates other naturally occurring hormones in the body. When taken correctly, this prevents pregnancy and promotes regular menstrual bleeding.

There are typically two types of regimens depending on the medication you are prescribed.

This leaflet describes the combined hormonal contraceptives with a 21-day regimen, which includes:

  • Chlormadinone acetate 2mg, Ethinylestradiol 30mcg (e.g. Belara®)
  • Desogestrel 150mcg, Ethinylestradiol 20mcg (e.g. Mercilon®)
  • Levonorgestrel 150mcg, Ethinylestradiol 30mcg (e.g. Microgynon® 30)
  • Drospirenone 3mg, Ethinylestradiol 30mcg (e.g. Yasmin®, Liza®)

Combined Hormonal Contraceptives (21-day regimen) - Additional Information

  • Updated on 1/31/2021 12:00:00 AM
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup
The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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