How to use contraceptive pills afterward during the dangerous period? There are also things to pay attention to when taking birth control pills
Asked by:Skye
Asked on:Apr 02, 2026 03:05 PM
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Thor
Apr 02, 2026
Many couples dare not have sex during the dangerous period for fear of getting pregnant unexpectedly. The dangerous period is a period when pregnancy is easy, so How to prevent pregnancy after the dangerous period?
Is it useful to take birth control pills during dangerous periods?
We all know that the physiological needs of the human body are sometimes difficult to control, and this is especially true for men and women. I believe most families view pregnancy with joy, but for some men and women who are not ready to have the next generation, the arrival of these "accidents" may disrupt their lives. If no contraceptive measures are taken during the dangerous period, the chance of pregnancy is extremely high. So is it useful to take birth control pills during the dangerous period? Mawang Encyclopedia will take you to find out below.
Experts believe that emergency contraceptive pills can be taken within 72 hours after sexual intercourse, and the earlier the better. Emergency contraceptive pills mainly inhibit sperm produce eggs, prevent sperm from combining with eggs, and use Uterus The environment is not conducive to sperm capacitation and survival, or is not suitable for the implantation and development of fertilized eggs for scientific contraception.
In addition, experts point out that if taken correctly according to the instructions, the contraceptive effect is still relatively high. Its dosage is much larger than ordinary oral contraceptives, which can block ovulation or prevent the implantation of a fertilized egg. Emergency contraceptive pills should be used within 72-120 hours after sexual intercourse, but the failure rate is often higher after 72 hours.
Things to note when taking birth control pills during dangerous periods
Taking birth control pills during dangerous periods The principle of contraception is mainly to inhibit ovulation and change the cervical mucus to make it difficult for sperm to penetrate, or to reduce the production of glycogen in the uterine glands, making it difficult for blastocysts to survive, or to change the activity of the uterus and fallopian tubes to hinder the transportation of fertilized eggs. A drug that prevents sperm and eggs from combining to form a fertilized egg, thus achieving the purpose of contraception. We all know that it is extremely easy to get pregnant if you have sex during the dangerous period, so what should you pay attention to when taking birth control pills afterwards? Mawang Encyclopedia will explain it to you below.
1. Do not eat or drink a lot of water two hours before and after taking the medicine to facilitate the full absorption of the medicine.
2. Contraceptive pills must be taken within 72 hours. The earlier you take them, the better the effect.
3. If vomiting occurs within 1 hour after taking the medicine, you should take another dose as soon as possible.
4. Birth control pills have serious side effects. Do not take them more than 3 times a year at most.
Finally, bleeding will occur about a week after taking the drug. This is withdrawal bleeding as a side effect of the drug. There is no need to worry about it. At the same time, it must be noted that the contraceptive rate of oral contraceptives is not 100%, so it is recommended to observe the next menstruation. If the menstruation is delayed by more than a week (the impact of contraceptive pills on menstruation will not be delayed by more than a week), it is recommended to go Hospital examine.
Side effects of taking birth control pills
Every drug has its side effects. As the saying goes, a drug is divided into three parts: poison. A drug can be both good and bad. Any drug must be analyzed from two aspects. The same goes for birth control pills, which are used by normal people. Emergency contraception has its unique advantages, but there are also some possible side effects. Understanding these side effects and paying attention to and preventing them during use can give full play to the role of emergency contraception and minimize its possible side effects. The editor below summarizes some of the side effects of taking birth control pills.
1. Nausea: Different drugs have different incidence rates, among which mifepristone is the lowest, at 6%-7%. Nausea usually lasts no more than 24 hours.
2. Vomiting: The incidence rate of different drugs is different, about 5% with levonorgestrel and 1% with mifepristone. It is generally believed that when taken with food or sleep Taking medication before use can reduce the incidence of nausea and vomiting, but there is no definite clinical material.
3. Irregular uterine bleeding: Some women will have vaginal bleeding after taking the medicine, which generally does not require treatment.
4. Menstrual changes: Most women will have menstruation on time, but some women will have early or delayed menstruation. If menstruation is delayed by 1 week, a urine pregnancy test should be done to determine whether emergency contraception has failed.
5. Others: Breast distended pain , headache, dizziness, fatigue, etc. These symptoms are generally mild and last no more than 24 hours. Those with breast tenderness and severe headaches can use aspirin or other analgesics for symptomatic treatment.
How to take birth control pills
Many women around the world believe that birth control pills are the most effective, reversible, and convenient form of contraception. a lot of female I don’t know much about when birth control pills are most effective. It is worth reminding that contraceptive pills cannot be taken whenever you want, and contraceptive pills also have strict time limits. Since there are many types of birth control pills, the methods of taking them are also different. The following are some of the most effective ways to take safe contraceptive pills introduced by the editor.
1. Short-acting contraceptive pills
The main ingredients are progesterone and estrogen. It has the effects of inhibiting ovulation, hindering the normal growth of the endometrium, changing the properties of cervical mucus and changing the normal peristalsis of the fallopian tube. Suitable for non-basic disease or women with diabetes. Start taking the medicine on the 5th day from the day of menstruation. Take 1 tablet every night for 22 consecutive days. It can prevent pregnancy for 1 month.
2. Emergency contraceptive pills
The main component is progesterone. The principle of action of the drug is basically the same as that of short-acting contraceptive pills. Suitable for women under 40 years old. Mainly include Yuting, Nuoshuang, Baoshiting and mifepristone tablets. Generally, take the first tablet within 72 hours after sexual intercourse, and then take another tablet 12 hours later. The earlier you take it, the better the effect.
3. Long-acting contraceptive pills
Generally, take one tablet on the fifth day after menstruation, and another tablet 20 days later. Contains synthetic progesterone and long-acting estrogen. After the drug enters the human body, it will be stored in adipose tissue and then slowly released to inhibit ovulation and have a long-term contraceptive effect.
How to prevent pregnancy during dangerous periods
women in Pregnancy odds during dangerous periods is the largest. If you don’t want children yet during this period, it is recommended that you need to take certain measures. healthy contraceptive methods. It is worth reminding that taking emergency contraceptive pills after having sex should not be used as a last resort, because this method has relatively large side effects. The editor below has listed some contraceptive methods for you during the dangerous period.
1. Contraceptive vaginal ring
The contraceptive vaginal ring is a soft and transparent ring with an outer diameter of 5.4mm. It only needs to be placed once a month. Women can easily insert it into the vagina themselves. After that, they do not need to use other contraceptive measures. It is a hormonal contraceptive method with a success rate of 92%. It was removed after 3 weeks and a new one was inserted after one week.
2. Female contraceptive patch
The contraceptive patch is about half the size of a business card, like a small flesh-colored sticker. By continuously releasing hormones, through skin , blood vessels enter the blood, thereby inhibiting ovulation, thereby achieving a contraceptive effect. It can be attached to any of the four areas: buttocks, abdomen, outside of arms and outside of shoulders, but cannot be attached to the chest. Apply one patch on the first day of your period or the first Sunday after your period begins, and replace it on the same day each week for three weeks. There is no need to use it during the fourth week. The patch is designed to be waterproof, so users don't have to worry about it falling off when bathing or swimming. The success rate is also as high as 92%.
3. IUD
This scary-looking thing is called an IUD, and the “device” in question is called an intrauterine device. It can remain in the uterus for five years from the time it is inserted into the body. It is especially suitable for women with excessive menstrual bleeding and dysmenorrhea. The success rate is as high as 99%. It can also be said that there is almost no possibility of pregnancy.
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