Metina: Is It an Effective Contraceptive? - Obstetrics and Gynecology

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Metina is a combination oral contraceptive pill that contains two hormones: ethinyl estradiol (an estrogen) and levonorgestrel (a progestin). It is primarily used for preventing pregnancy, regulating menstrual cycles, and managing symptoms associated with hormonal fluctuations. When taken correctly, Metina can be an effective contraceptive method, with a typical use effectiveness rate of around 91% to 99%.
In your case, you started taking Metina on April 21 and finished on May 4. After completing the course, you had unprotected intercourse on May 5, but you mentioned that there was no ejaculation inside. The effectiveness of Metina in preventing pregnancy is highest when taken consistently and correctly throughout the cycle. Since you had just completed the course of Metina, it is important to note that the contraceptive effect may still be present shortly after finishing the pills, but it is not guaranteed.

Regarding your question about taking emergency contraception (often referred to as the "morning-after pill") after 72 hours, it is generally recommended to take it as soon as possible after unprotected intercourse for optimal effectiveness. There are two main types of emergency contraception: levonorgestrel (Plan B) and ulipristal acetate (Ella). Levonorgestrel is most effective when taken within 72 hours, while ulipristal acetate can be effective up to 120 hours after unprotected intercourse. If you are beyond the 72-hour window for levonorgestrel, you may still consider ulipristal acetate if it is within the 120-hour window.

As for your concern about your menstrual cycle, it is not uncommon for hormonal contraceptives to cause changes in your menstrual cycle, especially when starting or stopping them. After taking Metina, it may take some time for your body to adjust, and it is possible for your period to be delayed or altered. If your period does not arrive within a week of when you expect it, it would be advisable to take a pregnancy test to rule out pregnancy, especially since you had unprotected intercourse.

In summary, Metina is an effective contraceptive when taken as directed, but its effectiveness can be influenced by timing and adherence to the regimen. If you are concerned about potential pregnancy or changes in your menstrual cycle, consulting with your healthcare provider is the best course of action. They can provide personalized advice and support based on your specific situation.