I. Definition of emergency contraception.
Emergency contraception is a temporary remedy used by the woman to prevent pregnancy in those hours or days after unprotected sex or predicted possible contraceptive failure (condom slippage, rupture, omission of the contraceptive pill).
Contraceptive mechanism: taken before ovulation to inhibit or delay ovulation, and after ovulation to affect the development and secretion of the endometrium and resist implantation.
Second, there are those methods of emergency contraception?
1.With copper intrauterine device method
2.Hormonal drugs method
Third, what circumstances can not use emergency contraception?
(1) Pregnancy has been determined.
(2) There are several times of unprotected intercourse in one cycle.
(3) Women with a history of heart failure and myocardial infarction, severe hypertension and nephrogenic hypertension caused by kidney disease should not take it.
Fourth, the emergency contraceptive drugs may cause side effects.
1.Mild nausea and occasional vomiting may occur.
2.Irregular bleeding
3.The next menstruation may be early or postponed.
4.Breast pain, headache, dizziness, weakness
5.Other: gastrointestinal discomfort, slight weight gain, nervousness, low mood, skin prone to brown spots and acne, etc.
Five, the use of emergency contraceptive drugs should pay attention to matters.
1, to have the concept of time, drug contraception can not be more than 72 hours, and the earlier you take the pill, the better the effect.
In the same time, the hospital emergency contraceptive pill effect is better than the pharmacy.
2, emergency contraception is a temporary remedy, the side effects are large, the failure rate is high, can not replace conventional contraceptive methods, excessive and frequent use of emergency contraceptive pills may bring damage to the body. Repeated use of emergency contraceptive pills will endocrine disorders leading to menstrual disorders, bleeding or spotting prolonged bleeding.
3.Emergency contraception can only have remedial effect on the previous intercourse, and cannot have unprotected intercourse again after taking the pill.
4.Taking the pill at the same time with food or before going to bed can reduce the incidence of nausea and vomiting. If vomiting occurs within 2 hours of taking the drug, you should take it again as soon as possible.
5, a small amount of vaginal bleeding after taking the pill is not a sign of successful contraception. Menstrual delay should be early to the hospital for examination.
6.If emergency contraception fails and pregnancy occurs, the pregnancy should be terminated by surgery or medicine.