Among the women who take contraceptive measures, 2/3 find themselves "unexpectedly" pregnant because the method they use is incorrect or does not match their lifestyle properly. In actual operation, contraceptive methods cannot be 100% safe, nor can they prevent sexually transmitted diseases. However, the following 6 unknown facts that you do not know may disrupt your peaceful life, and these things are: Doctors don’t talk about it much, but it’s very useful. .

Secret 1: Condoms may increase the risk of sexually transmitted infections

Most condoms are made of spermicidal nonnoxynol-9, which is not only ineffective in preventing sexually transmitted infections, but may actually Increase the risk of contracting AIDS and other sexually transmitted diseases. Its working principle is to achieve the purpose of contraception by destroying the membrane of sperm cells. In the process, the protective membrane on the edge of the vagina may also be destroyed. The U.S. Drug Administration believes that the risk of contracting sexually transmitted diseases when using condoms increases due to cell damage, and is considering putting a warning label on finished products that contain spermicidal ingredients.

Use it properly to avoid future troubles: pinch the small pocket at the top with your fingertips to remove the air inside. If there is air remaining, the top will bulge and may fall off midway. Put it on the erect genitals, open the curled part in circles, do not entangle the pubic hair, and do not have wrinkles. It’s better if you put it on from the beginning of intercourse. Pay attention to how you handle it after use. When pulling out, hold the root and pull it out slowly, otherwise it may fall off in the vagina.

Secret 2: Can ordinary contraceptive products be equated with famous brands?

There is no doubt that the cost of an unexpected pregnancy is much greater than spending more money to buy brand-name products. If your financial resources are really limited and you can only choose to use ordinary products, then don’t forget to insist on taking it on time and in the right amount and operating it correctly. Remember! Ordinary contraceptive products are at least 60% cheaper than name-brand products, making them more attractive. However, some experts believe that there is no evidence that the two are equally safe. So, does taking ordinary products have a much higher chance of "unintended pregnancy"? No one is sure. In such a serious matter as contraception, no conjecture is allowed.

Secret 3: 60% of oral contraceptive pills will fail for girls who are too fat

For women aged 18-39, if their weight is equal to or greater than 58 kg, oral contraceptive pills There is a 60% chance of failure, especially for those with low estrogen levels. Women who are overweight have a faster metabolism and require more hormones to prevent conception. Moreover, birth control pills have a fat-dissolving effect and may "stay" in the places where fat is stored in the body, unable to reach the bloodstream where they should be to actually take effect. If you weigh more than 58 kilograms, it is best to ask your doctor to recommend other more reliable methods, such as intrauterine devices, or a combination of birth control pills and condoms to ensure that everything is foolproof.

Secret 4: Pregnancy is possible during menstruation

You may have heard the above information before, but don’t act blindly until you understand it! Pregnancy is still possible during menstruation. After sexual intercourse, sperm can still survive in the female body for 5 days. If ovulation occurs immediately after menopause, it is still possible to become pregnant during sexual intercourse during menstruation.

Secret 5: The chance of pregnancy during contraception is greater than imagined

When the doctor tells you how effective contraceptives are, it is based on the premise of "proper use", such as consistent use for a long time. Make sure every step is correct every time. From a scientific point of view, the effectiveness of contraceptive pills is 99%, which means that within a year, only one out of every 100 users may have a defect, while the effectiveness of condoms is 97%. However, in practical applications, the true effectiveness of the two is 94% and 86% respectively. To ensure birth control pills are effective, they should be taken at the same time every day. It can help you remember the time better when combined with your daily routine, such as taking it every morning after brushing your teeth.

Secret 6: Intrauterine contraception is not suitable for everyone

In fact, there are many very effective contraceptive methods that you are not aware of, have never imagined, and no one has recommended them to you . Curious? The intrauterine device (IUD) is one example. This is a small T-shaped contraceptive device that is inserted into the uterus. It is made of flexible soft plastic and must be inserted into your body by a doctor. After that, even if the egg has been fertilized, it will not implant and grow in the uterus. As long as there are no abnormalities, it can be left alone for one or two years. It will not cause trouble to sex, which is very convenient. Once inserted, you can forget about its existence. Not only does it have no hormonal side effects that other birth control pills may cause, but it is also extremely effective - with only a 1% failure rate per year.

The only disadvantage is that the uterus of women who have never given birth is not soft, so it is difficult to place it, and there will be pain in the first few months. Lower abdominal and lower back pain may worsen during menstruation. If you have a regular sexual partner and the other person has no history of sexually transmitted diseases, IUD is undoubtedly the ideal choice. However, women with heavy menstruation, some women with gynecological diseases such as vaginitis and endometritis, and women with pelvic history are not recommended to use IUD, as it may worsen bacterial infections.