An Analysis of the reasons for the failure of contraception the side effects of contraceptive

Effective contraceptive methods can enable couples to have family planning and eliminate anxiety in their sex life, but having contraceptive methods does not mean successful contraception. The main reasons for failure are as follows:

I. in the case of contraceptive:

1. Missed or delayed administration, or drug fragmentation or dissolution, resulting in insufficient dose of the drug.

2. high fever or severe diarrhea and vomiting will affect the absorption of drugs.

3. Taking drugs such as rifampicin love egg , chloramphenicol, aminocacillin and limonin at the same time will reduce the active ingredients of contraceptive.

2. Condoms:

1. Choose the wrong type of condom, too big may fall off in the vagina, the size may break the condom and lose the contraceptive effect.

2. Use condoms that are damaged or preserved for too long and whose latex has gone bad

3. Some people use condoms before ejaculation, which can also lead to pregnancy. When sexually excited, the man's genitals secrete secretions containing a small amount of sperm and flow into the vagina.

4. the air in the front capsule is not extruded before use, and the pressure in the sleeve increases after ejaculation, which makes the condom burst and semen overflow.

5. After ejaculation, before the penis softens, the penis and the condom are not pulled out in time. After the penis softens, semen flows back into the vagina from between the penis and the condom.

6. After ejaculation, when the penis is pulled out, the condom slips into the vagina, making the semen overflow into the vagina.

Third, vaginal diaphragm:

1. The improper size of the diaphragm can not be properly placed in the vagina, so that there is a gap between the diaphragm and the vaginal wall, so that sperm can pass through.

2. Use a damaged or deteriorated diaphragm

3. If the diaphragm is put into the vagina after the beginning of sexual life, a small amount of sperm may enter the cervix in the husband's secretion.

4. without mastering the correct method of placement, the diaphragm does not completely cover the cervix.

5. After use, the sperm is taken out prematurely, and the sperm in the vagina has not yet completely died and entered the cervix.

Fourth, the external use of medicine film:

1. The drug film is not placed in the deep part of the vagina, and the spermicidal effect can not be brought into full play.

2. The film is rubbed too small best vibrator , so that the film is not dissolved enough and the effect is affected.

3. If you put two films at a time, it will fail, mainly because it can't dissolve well.

4. the film will also fail when used with the contraceptive ointment, because the film is a surfactant and is not easy to dissolve in an acidic environment.

5. The paper in the interlayer was mistaken for a drug film and failed.

6. Begin sexual intercourse without waiting for the film to dissolve. For women with less secretions, the waiting time should be longer.

7. instead of sending the film into the deep part of the vagina by hand, the film is sent into the vagina with the penis, and a small amount of sperm enters the vagina.

Contraception is one of the biggest problems in husband and wife's life. however, most of this burden is borne by the frail wife alone. If a man wants to care more about his wife so that she can extricate herself from the trouble of contraception, you might as well learn about men's methods of contraception.

1. Condoms

Most men are no stranger to this little rubber cover. Although the small condom makes some people feel "not good enough", it is, after all, the most widely used contraceptive. Due to improper use, condoms are sometimes unsafe. Moreover, there are some domestic brands of condoms whose quality is not up to standard, so we must be more careful when choosing them. The advantage of this method is that the couple have almost no side effects, can become pregnant safely at any time, and prevent the spread of the disease. It's the first choice recommended by doctors.

Deficiency: the effective contraceptive rate is about 90%. A small number of men who are allergic to rubber or their wives cannot use it.

2. Drugs

Drugs are divided into oral drugs and injection drugs.

Gossypol: gossypol is the representative of oral male birth control drugs and the only drug ever used in clinic. Scientists have been concerned about gossypol's contraceptive effect for more than half a century because this chemical extracted from common cottonseed has a strong inhibitory effect on spermatogenesis.

Deficiency: there are many side effects, such as users are prone to hypokalemic symptoms and systemic paralysis, temporary loss of labor ability. The most serious side effect is that the user may lose fertility as a result. Experts do not recommend it.

Eleven testosterone injection: this injection has been recommended by the World Health Organization (WHO) and is known as "one shot a month for contraception." however, multicenter Phase III clinical trials are under way around the world and have not been successfully developed. After men were injected with the drug, the birth control rate of yellow people reached more than 90%, while that of white people was only about 60%.

Deficiency: the injection of the drug can not take effect immediately. The contraceptive effect can only be achieved by injecting one injection a month and injecting continuously for three months. The contraceptive rate of yellow people is more than 90%.

3. Surgery

At present, there are three kinds of birth control operations that can be used: vasectomy, vasectomy, and non-obstructive vas deferens birth control device. The latter two operations are based on traditional ligation.

Surgery, which is always associated with trauma and pain, sounds scary. However penispumpe , the whole process of birth control surgery is only 20 minutes without stitches, the recovery time is only two days, and there are almost no scars after the operation. The trauma is small and the recovery is faster than many people can imagine.

Vasectomy: cutting off the vas deferens dog dildo , which serves as a conduit for the transport of sperm, will undoubtedly prevent pregnancy. The beginning of the two vas deferens is located in the scrotum, which can be touched from the outside of the scrotum and pulled to the skin of the scrotum. Therefore, the doctor only needs to pierce a small opening the size of a grain of rice on the scrotum and cut the vas deferens to achieve the effect of contraception.

Many people worry about whether there will be no semen or much less semen after cutting off the vas deferens. No. On average, men ejaculate about 2ml semen each time, of which seminal vesicle glandular fluid and prostatic fluid account for more than 90% of semen volume, and this part still ejaculates. After ligation, epididymal fluid and sperm, which account for less than 10% of semen volume, are blocked, so it has little effect on semen volume. When pregnancy is needed, vasovasostomy can be performed, and the recanalization rate can reach more than 90%.

Deficiency: some men will have epididymal stasis and discomfort after operation.

Adhesive occlusion of vas deferens: the difference between this method and ligation is that instead of cutting the vas deferens, a special material (mainly composed of carbolic acid) is injected into the vas deferens, and the vas deferens is stimulated to form scars and hardening, thus losing the function of the channel.

Deficiency: due to the amount of injection material is not easy to control, so that the length of some people's vas deferens is too long, resulting in acupuncture-like discomfort at the surgical site. This method has been abandoned by most clinicians.

Non-obstructive vas deferens birth control device: in early August this year, the media have reported the "male birth control ring" technology, its scientific name is non-obstructive vas deferens birth control device. The method is to place a filter made of a special material (nylon material) in the male vas deferens to intercept the sperm for the purpose of contraception. When contraception is not needed, the filter can be removed to restore normal reproductive function. One of the advantages of this operation is to avoid epididymal siltation that may occur after traditional ligation. At present, three-phase clinical trials are under way.
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