Review: Commonly used contraceptive methods for men

　　1. Oral contraceptives

　　It’s not just women who have “little pills” to take. Gossypol is the representative of male oral contraceptives and the only one that has ever been used clinical of drugs.

　　Principle of contraception: drug suppression sperm produce

　　Advantages: This chemical extracted from ordinary cotton seeds has a strong inhibitory effect on sperm production and has attracted the attention of scientists for more than half a century.

　　Disadvantages: It has many side effects, for example, users are prone to symptoms of hypokalemia. The most serious side effect is that users may lose their fertility. Experts do not recommend its use.

　　2. Vasectomy surgery

　　Cutting off the vas deferens, which is the conduit for transporting sperm, will undoubtedly prevent pregnancy. The doctor only needs to make a small opening in the scrotum as big as a grain of rice and cut off the vas deferens to achieve the contraceptive effect.

　　Principles of Contraception: Blocking Method

　　Advantages: The whole process only takes 20 minutes, no stitches are required, the recovery time is only two days, and there are almost no scars after the operation. Many people worry that after cutting off the vas deferens, will there be no semen or much less semen? Actually, male The average amount of semen ejaculated each time is about 2ml. After ligation, only epididymal fluid and sperm, which account for less than 10% of the semen volume, are blocked, while seminal vesicle gland fluid and prostatic fluid, which account for more than 90% of the semen volume, will still be ejaculated. When pregnancy is needed, vas deferens anastomosis can be performed, and the recanalization rate reaches more than 90%.

　　Disadvantages: Some men may develop epididymal stasis syndrome after surgery.

　　3. Condoms

　　This little rubber cover is familiar to both men and women. Although small condoms always feel "not good enough", after all, they are the most widely used contraceptive tool. However, condoms are sometimes unsafe due to improper use. Not only that, the quality of some domestic brands of condoms is not up to standard, so be careful when choosing.

　　Principles of Contraception: Isolation Method

　　Advantages: The advantage of this method is that there are almost no side effects for both couples, pregnancy can be safely done at any time, and pregnancy can also be prevented. disease Transmission is the first choice recommended by doctors and the most accepted form of male contraception by men.

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