Will oral contraceptives work?

Will oral contraceptives work?

Nowadays, many boyfriends and girlfriends, because of their open-minded ideas, live together once they are in a relationship. Once men and women of the same age live together, contraception becomes an issue that cannot be ignored. Therefore, many people take oral contraceptives to achieve the purpose of contraception. However, many people have doubts about the efficacy of contraceptives. Are oral contraceptives effective? Will there be any accidents?

Oral contraceptives are a highly reliable method of contraception. It can inhibit ovulation, make cervical mucus thicker, and make the endometrium unsuitable for embryo implantation, thereby achieving the purpose of contraception. If taken according to the instructions, oral contraceptives are almost 100% effective.

The female oral contraceptives currently in widespread use are synthetic steroid hormones, mainly estrogen and progesterone. The use of synthetic estrogen and progesterone contraceptives can block the secretory function of the hypothalamus to regulate the ovaries, thereby inhibiting the ovarian ovulation function; and they can also change the consistency of cervical mucus, preventing sperm from passing through and combining with the egg. In addition, under the action of estrogen, the endometrium of the uterine cavity shows an atypical secretory phase, which changes the intrauterine environment and makes it impossible for the fertilized egg to implant. Therefore, with these three lines of defense blocking them, either the egg cannot be released, or the egg cannot meet the sperm, or the sperm can combine to form a fertilized egg but cannot implant and develop into a fetus, thus achieving the purpose of contraception. It is a relatively safe, reliable and popular contraceptive method. If taken according to regulations, the contraceptive rate is over 99%.

There are three main types of oral contraceptives:

(1) Testosterone derivatives, such as norethindrone and norgestrel.

(2) Progesterone derivatives, such as megestrol acetate.

(3) Estrogen derivatives, such as ethinyl estradiol. Currently, the oral contraceptives used by women in my country are mainly estrogen-progestin combined contraceptives. These drugs are relatively safe, have few side effects, and are reliable in effect.

From the above introduction, it can be seen that the success rate of oral contraceptives is very high, and the efficiency can almost reach 100%. However, it should be noted that because there are many types of oral contraceptives, it is best to take them under the advice of a doctor. In addition, the side effects of emergency contraceptives are relatively large. It is best not to use emergency contraceptives frequently. It is very necessary to take preventive measures in advance.

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