Sexual Health
How can short-term contraceptives be taken to prevent pregnancy? Is the short acting contraceptive effective on the same day
How to take short-term contraceptives?
The method of taking oral contraceptive pills in advance is to start using them on the first day of menstruation. If it is a 21 pill form, take one pill every day. Stop taking it for 7 days after eating it, and start taking the next package on the 8th day after stopping the pill. Follow the logic of taking it for 3 weeks and stopping it for 1 week. This is the method of taking contraceptive pills. If 28 new dosage forms are selected, they contain 24 active and 4 inactive tablets, or 21 active and 7 inactive tablets. The usage also starts from the first day of menstruation, and the arrow indicates taking one tablet per day without stopping the medication. Generally speaking, there is no need to stop taking medication., This low-dose oral contraceptive pill needs to be taken continuously for 7-10 days. When the drug reaches a stable concentration in the blood, it produces contraceptive effects. If taken correctly., The contraceptive rate can reach 69.9%.
However, even if you take it regularly every day, there is still a 0.1% chance of getting pregnant, which means that for every 1000 women taking contraceptive pills, at most one will get pregnant. Exploring the reasons for contraceptive failure, experts explain that the function of inhibiting ovulation is not fully effective. This may be due to physical factors, or taking other medications that affect contraception, such as antibiotics, sedatives, etc. He also bluntly stated that contraceptive failure occurs when most people take a package of medication too late or continuously forget to take it.
2. Classification of the effects of contraceptive pills
2.1. Long term contraceptive pills
Generally speaking, after menstruation, take one tablet on the fifth day and another 20 days later. Contains synthetic progesterone and long-term estrogen. After drugs enter the human body, they will be stored in adipose tissue and gradually released later., Inhibiting ovulation and long-term contraception.
2.2. Emergency contraceptives
The main component is the action principle of pregnancy stimulating drugs, which is basically the same as that of short-term contraceptives. Suitable for women under the age of 40.
2.3. Short acting contraceptive pills
The main components are progesterone and estrogen. Starting from the fifth day of menstruation, take one pill every night for 22 consecutive days, which can prevent pregnancy for one month.
3. Duration of taking various contraceptive pills
3.1. Husband and wife together., Life is irregular and one cannot persist in taking oral contraceptives every day. Instead, one can choose long-term oral contraceptives, such as compound 18 methylnorethisterone, which should be taken once on the fifth day of menstruation, twice every 20 days, and once a month thereafter.
3.2. Couples who live a regular life together and adhere to taking oral contraceptives every day should take short-acting oral contraceptives, such as oral contraceptives No.1 and No.2; Starting from the fifth day of menstruation, take one tablet daily for 22 consecutive days.