Reviewed by Usama Ali, MPharm (GPhC: 2224726). April 2026.
Microgynon 30 is a combined contraceptive pill containing ethinylestradiol and levonorgestrel. It is the most commonly prescribed combined pill in the UK. Taken correctly, it is more than 99% effective.
Microgynon 30 contains two hormones: ethinylestradiol (30 micrograms) and levonorgestrel (150 micrograms). Levonorgestrel pills have the most safety data and the lowest blood clot risk among combined pills.
It prevents pregnancy in three ways: stops ovulation, thickens cervical mucus, and thins the womb lining. More than 99% effective with perfect use, around 91% with typical use.
Take one tablet at the same time each day for 21 days, then have a 7 day break. Microgynon has a 24 hour late window.
Yes. Both contain ethinylestradiol 30 micrograms and levonorgestrel 150 micrograms. They are clinically equivalent.
| Brand | Active ingredients | Manufacturer | Clinically equivalent? |
|---|---|---|---|
| Microgynon 30 | EE 30mcg / LNG 150mcg | Bayer | Yes |
| Rigevidon | EE 30mcg / LNG 150mcg | Gedeon Richter | Yes |
| Levest | EE 30mcg / LNG 150mcg | Morningside | Yes |
| Ovranette | EE 30mcg / LNG 150mcg | Pfizer | Yes |
Common side effects include headaches, nausea, breast tenderness, mood changes, and breakthrough bleeding. These usually settle within 2 to 3 months.
Microgynon carries the lowest blood clot risk among combined pills: around 5 to 7 per 10,000 users per year, compared to 2 per 10,000 in non-users. For more detail, read our guide on the pill and blood clots.
Microgynon is not suitable if you have a history of blood clots, migraine with aura, smoke and are 35 or over, BMI above 35, or blood pressure at or above 140/90.
Microgynon is free on the NHS through your GP, a sexual health clinic, or the NHS Pharmacy Contraception Service. With Contraception Direct, the consultation, the pill, and the delivery are all free.