What are the advantages and disadvantages of intrauterine devices?

The contraceptive principle of intrauterine device achieves the purpose of abortion and contraception through mechanical stimulation and interference from chemical substances. It does not inhibit ovulation and does not affect the female endocrine system, thus avoiding the adverse reactions of general drug contraception. After years of practice and improvement, most of the contraceptive devices currently used in clinical use are copper-containing or drug-containing contraceptive devices. The stent materials are plastic, polyethylene, memory alloy, etc., and the appearance is not single, including round, T-shape, V-shape, Y-shape, chain-shape, etc. Birth control devices of different materials and shapes have their own characteristics, so they can be suitable for women with different physiques and needs. The advantages of intrauterine devices are many, which can be summarized as follows: (1) Long-term, and can be used continuously for 5 to 10 years or even longer with one placement. (2)Highly efficient, especially for intrauterine devices with large copper surface area, the contraceptive efficiency is higher. (3)Simple, effective for a long time at one time, and convenient for regular inspection. (4)Economic, long-term contraception and low price. (5)Safe. The intrauterine device acts locally and has no effect on systemic metabolism. Use by nursing women does not affect milk secretion and has no adverse effects on infants. (6)Reversible. Once contraception needs to be terminated, fertility can be restored quickly after the birth control device is removed. The disadvantages of placing intrauterine devices are: 1. The effect is good without oral contraceptives. The main reason for contraceptive failure is that the birth control ring sometimes falls off and leads to pregnancy huge ass , and some even have pregnancy with rings. So this brings a lot of trouble to those who want to prevent pregnancy. 2. Birth control rings have certain side effects on some people chastity cage bluetooth vibrator , such as menorrhagia, prolonged menstruation, vaginal bleeding, etc. Women with side effects are not suitable for using birth control rings for contraception. 3. The birth control device can only organize pregnancy in the uterine cavity, but cannot avoid ectopic pregnancy. Introduction to intrauterine device The intrauterine device is a contraceptive device placed in the uterine cavity. Since most of the devices used in the early stages are annular, they are often called birth control rings. The birth control ring has less interference with the whole body, acts locally, and does not affect fertility after removal. It is safe, effective, reversible, simple and economical. It is one of the most commonly used birth control devices. More than 40% of people use intrauterine contraceptive devices in my country, and the effective rate is about 90%. Reading recommendation: Doctors emphasize that emergency contraceptives should be taken according to doctor's advice. How much do you know about subcutaneous implant contraception? Are sexual dreams a manifestation of immorality? Is it obscene for a husband to say vulgar words during sexual intercourse? 90% of young people do not understand contraception, 13 million people have abortions every year
Realistic dildo | best vibrator | pvc dildo | fat pocket pussy | Mushroom Head Dildo | Penis Pumps

• Wear condoms correctly pay attention to the fourth key point: why are you still pregnant if you wear a condom?
• What are the side effects of contraceptive? Reveal the contraceptive skills of women in various countries