【私密研究所】「事前避孕藥」大拆解!

[Private Research Institute] A big dismantling of the "pre-pregnancy contraceptive pill"!

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Everyone should know that birth control pills are divided into "pre-take" and "post-take" , but do you know the differences between them? Are there any side effects? How should we choose? The answers are all ready for you!

*Due to its relatively long length, this article will focus on the "morning after pill"; the "morning after pill" will be continued next week.

The morning-after pill is an oral drug . Its main contraceptive principle is to suppress gonadal hormones through low-dose hormones such as estrogenandprogesterone , thereby inhibiting egg maturation and "preventing ovulation. " Effect.

There are four generations of morning-after pills, each with different ingredients.

Most of the products currently on the market are improved third- and fourth-generation products . Their formulas use low-dose hormones to achieve contraceptive effects , and their side effects on the human body are less obvious .


. How should it be taken?

Taking the morning-after pill for the first time :

The first birth control pill should be taken from the first day of menstruation to minimize the chance of pregnancy;
If you start taking it on the 2nd - 7th day of menstruation , if you have sex within the first 7 days , please continue to use condoms to maintain the contraceptive effect.
* Different brands of morning-after pills have different instructions for taking them. For details, please refer to the instructions on the package. If you have any questions, please consult a professional medical professional immediately.

. What should I do if I miss a dose or have vomiting or diarrhea after taking it?

If you forget to take the medicine for less than 12 hours , the effect of the medicine will still be maintained. You should take it immediately and then take the medicine at the original time.

If the time exceeds 12 hours , the potency of the medicine will be reduced, so other non-hormonal contraceptive methods (such as condoms) need to be used for the next 7 days .

. What is the difference between 21-piece and 28-piece packs?

The difference is basically the way of taking it.

Pack of 21 capsules: The method of taking is to take it for 21 consecutive days and then stop taking it for 7 days . At this time, menstruation will begin (but ovulation will not occur), and the next box will be started after 7 days .

Pack of 28 pills: In fact, only 21 of them are effective contraceptive pills , and the other 7 are non-medicated placebo pills (such as vitamin supplements). This way, the user does not need to stop taking the pill, thereby reducing the risk of stopping the pill. and forgetting to retake the medication on time.

. What are the side effects of morning-after pills?

Possible side effects of the morning-after pill: nausea, vomiting, headache, gastrointestinal discomfort, breast tenderness, and dark spots on the skin.

. In addition to contraception, are there any additional benefits?

Birth control pills can "regulate menstruation" through the influence of hormones , and can improve menstrual pain, irregular menstrual cycles, excessive blood volume, etc.

. Urban legend - cure acne! ?

It is often rumored on the Internet that long-term use of morning-after pills can cure acne.

But in fact, not every birth control pill has this effect. Only those containing anti - androgens can be effective in treating acne caused by male hormones .

Not all birth control pills have the same effect, so remember to check with your doctor first and get relevant professional advice!

. Contraceptive effect 98%

The contraceptive effect of the morning-after pill is the best among all short-term contraceptive methods. If taken correctly, the contraceptive success rate can be as high as 98%.


If you have any questions, please do not take the medicine indiscriminately and consult a professional medical professional as soon as possible.

Hong Kong Family Planning Association contact information:

e-mail:

URL:

fpahk@famplan.org.hk

https://www.famplan.org.hk

Service inquiry : 2572 2222 (service hotline)

related articles:

[Private Research Institute] Will taking birth control pills affect sexual desire, cause infertility, obesity or even cancer? 5 big myths debunked!


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Pictures and data sources: wikipedia, 3phk, lianhonghong, taog.org.tw

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