List of the most unreliable methods of contraception

First place: extracorporeal semen is an ancient method of contraception. In the past, in the absence of contraceptives, many people used this method for contraception. Although the method of in vitro ejaculation is simple, it is not reliable and has a high failure rate. Before the man pulled the penis out of the vagina, a small amount of semen was injected into the vagina. Because about to ejaculate and ejaculate is a coherent action, the interval between the two is very short, most men can not accurately grasp the opportunity, so that when they are about to reach the most exciting part of sex, they cannot pull the penis out of the vagina in time, so that the semen initially ejected into the woman's vagina, and this part of semen has the largest number of sperm, so it is easy to lead to pregnancy. This is the main reason for the failure of extracorporeal ejaculation contraception. Second: the calculation of ovulation period is a natural contraceptive method that does not use any contraceptive measures. the advantage is that it will not cause any impression and side effects on the body, but the failure rate is very high. on the one hand, because the ovulation period of women is often different, it is difficult to accurately calculate the ovulation period best dildo , and on the other hand, it requires husband and wife to cooperate fully to determine a regular sex life. This algorithm is often unreliable, because the time of ovulation is affected by the external environment, climate, mood, health and other factors lesbian vibrator , resulting in delayed or early ovulation, and additional ovulation may occur. In addition, there is no final conclusion on the maximum survival time of sperm and eggs in the female reproductive tract, so the safety period cannot be calculated accurately, so safe period contraception is not safe. The third place: most people choose condoms as a contraceptive method, just for its convenience to buy and easy to use, but condoms are easily affected by human factors when they are used, such as improper wear, falling off or being torn, etc. will affect the effectiveness of contraception. In addition, some people may be allergic to rubber products, leading to discomfort, and some people think that the use of condoms will affect pleasure. However rose toy , condoms are effective in preventing sexually transmitted diseases and infectious diseases. Therefore, it is recommended that it can be used in conjunction with other contraceptive methods. Fourth: the uterine ring is a long-term contraceptive method, which can be retained in the uterus for up to 5 years, and the success rate of contraception is also high. However, some people, especially young women or women who have never given birth, may be uncomfortable with the phenomenon of exclusion. In addition, after wearing the ring, the amount of menstruation may be increased and prolonged, and bleeding may occur outside the menstrual period. Emergency contraceptive ≠ regret medicine every year around Valentine's Day, there is always an emergency contraceptive sales peak. Couples desperate for love regard the emergency contraceptive as a "repentance medicine" or a "Buddha's foot" for a temporary hug, hoping that a small pill will solve the serious consequences of an unintended pregnancy without contraception in advance. Friends who intend to do so anal vibrator , please pay attention to this idea Out! Emergency contraceptive is an ex post facto remedy and cannot be used as a routine means of contraception. This method achieves the purpose of contraception after the event by inhibiting ovulation and interfering with egg fertilization or implantation. Most of the ingredients commonly used are single high-dose progesterone (equivalent to 8 times the dose of short-acting oral contraceptives). It will interfere with normal endocrine and easily lead to symptoms such as menstrual cycle disorder and irregular vaginal bleeding. Repeated use will have an impact on health. Such as menstrual disorders, amenorrhea and so on. Third, emergency contraceptive is irritating to the intestines and stomach, and vomiting may occur after taking it. If there is no supplement after vomiting, the contraceptive effect will be reduced again. Women who have had unprotected sex for many times in a menstrual cycle should not use emergency contraception. And research data show that emergency contraceptive is only 85% effective, which is not foolproof, that is, even with emergency contraceptive, there is still a risk of unintended pregnancy. Therefore, taking emergency contraceptive after the event is by no means a healthy way of contraception. Only by paying attention to prior contraception, can an intimate life be safe and sound.
Realistic dildo | best vibrator | pvc dildo | fat pocket pussy

• Liang Luoshi Li Zekai broke up and gave birth to three sons and failed to join the rich and powerful family.
• Love and marriage are two different things. Couples quarrel as much as possible.