The contraceptive effect can be achieved by placing an IUD in the uterine cavity. The mechanism of action is not fully understood at present. It is mainly believed that the reaction of local tissues to foreign bodies affects the implantation of fertilized eggs, and there are the following types: 1. Toxic effects on sperm and embryos: The intrauterine device compresses the local inflammatory reaction, and the secreted inflammatory cells have toxic effects on embryos, and also produce a large number of macrophages to cover the endometrium, affecting the implantation of fertilized eggs, and can devour sperm, affecting embryo development. Copper ions of copper-containing IUD have the toxicity of separating the head and tail of sperm, making sperm lose fertilization ability. Read More …

Many couples who have a hard time getting pregnant are extremely careful about their hard-won babies. Many pregnant mothers resigned immediately after their pregnancy test stick became red and did not leave behind closed doors. They began to stay in bed [to protect the baby] for fear that their children would fall off while walking. Can bed rest really protect the baby? Should I lie down all the time when I am pregnant? Today, Dr. Li Shan will test the scientific nature of this folk saying from a medical point of view. Bed rest does not necessarily reduce the risk of pregnancy. Pregnant, unwell, or brown secretions, we can pay more attention to rest, but it is not absolutely better Read More …

Eyes are uncomfortable, is it okay to use eye drops? Mobile phones and computers are everywhere. It is common for us to feel dry and sour eyes after staring at them for a long time. Because of this, eye drops have become a necessity for human hands. Do you also feel that after dripping, your eyes feel clear and cool, and your tiredness is swept away? However, such easy-to-use eye drops really cannot be used casually. Most eye drops contain preservatives Eye drops, after all, are also drugs. For different eye diseases, there are also different eye drops. If the eyes are uncomfortable, we should not use eye drops first, but should first make clear the cause of the discomfort, Read More …

Women’s ovaries will ovulate regularly, when they do not ovulate, they will not be pregnant, so it is called safe period. In fact, there is no absolute safe period in the whole menstrual cycle, because the ovulation time of the ovary will change. There is a contraceptive method called easy to know the pregnancy method, also called natural contraceptive method, which can be understood as “safe period contraception”. Studies have shown that, The pregnancy period of a woman is from 5 days before ovulation to 24 hours after ovulation. The probability of conception after unprotected sex during this period of time is: 4% 5 days before ovulation, 25% ~ 28% 2 days before ovulation, It is 8% ~ 10% 24 Read More …

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Vaginal contraceptive ring belongs to a slow-release contraceptive system. Its principle is to install contraceptive steroid hormone on a carrier, make it into a ring and put it into the vagina, release small doses of hormone every day, and use vaginal mucosal epithelium to directly absorb drugs into blood circulation to produce contraceptive effect. Vaginal ring can be placed and taken out by women themselves, which is convenient to use. Configuration of the ring: homogeneous type, core type, shell type and collagen band type. At present, rings with a diameter of less than 60mm are generally used, and the cross-sectional diameter of the tube is less than 9.5 mm. It is applicable to women who voluntarily choose this method to Read More …

Subcutaneous embedding agent is a contraceptive agent with slow release system. Its appearance is an elastic plastic rod, about the size of a match stick, and contains progesterone. It can be slowly released into the body to achieve contraceptive effect. Applicable population: 1. Women who have no contraindications to the use, fully understand the side effects and complications and voluntarily accept subcutaneous implants; 2. Women who have contraindications to the use of estrogen-containing contraceptives, cannot place intrauterine devices, and are unwilling to use sterilization and condoms. Advantages: It is not necessary to take contraceptive measures or medication regularly; The contraceptive failure rate is low. Research data show that the effective rate is over 99%, which is a safe contraceptive measure Read More …

Cervical cap, abbreviated as cervical cap, is a contraceptive tool made of silicone rubber, similar to a small vaginal diaphragm, which can be sleeved on the cervix to prevent semen from entering the uterus, thus achieving the purpose of contraception. According to different structures, cervical caps can be divided into [closed] and [valve] two types. The cervical cap described in this article refers to the closed cervical cap. The pregnancy rate of cervical cap is 8% ~ 16% for one year, most of which are caused by not insisting on using or placing mistakes. Spermicide can reduce the pregnancy rate of cervical cap slightly. If retained for too long, malodorous secretions will be produced and genital tract infection may also Read More …

Hello everyone, I am Yu teacher, a rehabilitation teacher. I am a rehabilitation therapist, graduated from the Department of Sports Rehabilitation of Beijing Sports University, worked for 9 years, and worked as a rehabilitation therapist in many national teams. In my 9 years of employment, I have seen all kinds of bad leg types and helped many people correct their leg types. Today I will talk to you about how to correct bad leg types. Let’s first look at the common leg types that are not good-looking: XO leg, O leg and X leg. If you can get rid of the above bad leg types, it should be considered as a beautiful big leg. Normal leg shape What about what? Read More …

I remember when I was in college, the professor once said: men and women are not equal. Female compatriots are much more traumatic and risky to undergo sterilization, but the masters are still unwilling to do it by themselves. They are always afraid of having undergone surgery and cannot do it themselves. Think about it, too, but “semen” has been raised to a special height in our traditional culture. However, I can tell you here that When it comes to male sterilization, Don’t feel cold in your legs, A little scared, Hey hey, it’s okay, It will never be like the father-in-law in the ancient palace or the pet hospital did to Xiao Mao and puppies. Male sterilization refers to Read More …