How long does it take for trigestrel pill get active in the body?

Trigestrel, a combined oral contraceptive pill, typically becomes effective after seven consecutive days of consistent use. If taken correctly, it can prevent ovulation and provide contraceptive protection during this time. If the pill is started during the first five days of the menstrual cycle, it may be effective immediately. However, it's always advisable to consult a healthcare provider for personalized guidance.