Beforehand prophylactic is to point to prophylactic of profess to convinced commonly, prophylactic of after the event is to point to urgent prophylactic commonly.
One, utility is different
1, a kind prophylactic of profess to convinced is contraceptive method
Prophylactic of profess to convinced of medicine made of two or more ingredients (COC) it is one of efficient contraceptive methods that at present global limits uses extensively, it is to contain small dose estrogen and progestational hormone (as similar as the natural estrogen inside female body and progestational hormone) preparation of hormone of compound steriod body.
Prophylactic of profess to convinced of medicine made of two or more ingredients is had efficient, handy, reversible wait for an advantage. Use correctly,
Current, many foundation and clinical research confirm, COC besides contraceptive effect remarkable outside, healthy benefit also is more than the risk that its may exist far.
2, urgent prophylactic is to prevent what be pregnant accidentally to remedy measure
Appear the following a kind of any circumstances, should adopt as early as possible urgent use contraceptive will prevent blame apiration gravid.
(1) did not use any contraceptive methods
(2) contraceptive failure or contraceptive method uses an error, be like condom burst, surge; Contraceptive diaphragm sets undeserved, burst; Essence of the platoon outside body fails; Leakage takes short effect prophylactic 2 above; Safety period computation is wrong; The intrauterine device falls off etc;
(3) experience sex is brutal
2, action mechanism is different
1, the action mechanism of prophylactic of profess to convinced of medicine made of two or more ingredients
Prophylactic of profess to convinced of medicine made of two or more ingredients is main through restraining oviposit, change configuration of the film inside uterus of cervix mucus character, change reachs function, change joint action achieves the much link such as tubal function the purpose that control bears.
2, the action mechanism of urgent prophylactic
Hormone kind the action mechanism of medicaments differs along with the time that use drug and differ: Can restrain with medicine before oviposit follicular grow development, prevent oviposit or make oviposit defer; Ovum be fertilized can be disturbed with medicine after oviposit or defying bed. Day of the 5-6 after ovum be fertilized reachs palace pitch, urgent prophylactic is taken inside hour of the 48-72 after of the same branch of a family normally, make medicaments has enough time effect at the film inside the uterus, cause oosperm to cannot be worn bed. Once oosperm has been worn bed, so urgent prophylactic does not have the effect.
3, use method is different
1, the convention that prophylactic of profess to convinced of medicine made of two or more ingredients applies to woman of healthy Yo age uses contraceptive,
It is the 1-5 day from menstruation rises commonly everyday, take 21-22 repeatedly piece stop drug 7 days, take below one periodic medicaments afresh since the 8th day. Day of the 1-2 after stopping drug commonly has backtrack sex haemorrhage.
Domestic preparation is commonly everyday, every cycle takes 22 days. Foreign preparation is pack for one cycle with 21, return those who 7 blank comfort an agent to pack at the same time, overdose female insists to take drug continuously, avoid to forget.
2, urgent prophylactic is after having protection sexual life 72-120 hour less than can use urgent contraceptive method.
Urgent prophylactic just prevents what be pregnant accidentally to remedy measure, and be not contraceptive method. Say to remind all sexual the female of the life wants to take correct contraceptive step so, prevent to be pregnant accidentally.
Reference material: China department of gynaecology and obstetrics learns the 3rd edition
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