Emergency contraception (EC) can prevent as much as over 95percent of pregnancies whenever taken within 5 times after sexual intercourse

By 2020년 2월 4일Latin Women

Emergency contraception (EC) can prevent as much as over 95percent of pregnancies whenever taken within 5 times after sexual intercourse

  • EC can be utilized within the following circumstances: unprotected intercourse, concerns about feasible contraceptive failure, wrong utilization of contraceptives, and intimate attack if without contraception protection.
  • Ways of crisis contraception would be the copper-bearing intrauterine devices (IUDs) and also the crisis contraceptive pills (ECPs).
  • A copper-bearing IUD could be the many effective kind of emergency contraception available.
  • The crisis contraceptive capsule regimens suggested by who’re ulipristal acetate, levonorgestrel, or combined dental contraceptives (COCs) composed of ethinyl estradiol plus levonorgestrel.

What exactly is crisis contraception?

Crisis contraception relates to ways of contraception which you can use to avoid maternity after sexual activity. They are suitable for used in 5 times but they are more beneficial the earlier these are typically utilized following the work of sexual intercourse.

Mode of action

Emergency contraceptive pills prevent maternity by preventing or delaying ovulation and they cannot cause an abortion. The copper-bearing IUD stops fertilization by causing a chemical improvement in egg and sperm before they meet. Emergency contraception cannot interrupt a recognised pregnancy or damage a developing embryo.

Who are able to make use of crisis contraception?

Any girl or woman of reproductive age may require crisis contraception to prevent a pregnancy that is unwanted. There are not any absolute medical contraindications to the usage of emergency contraception. You can find no age limits for the utilization of crisis contraception. Eligibility requirements for basic utilization of a copper IUD also submit an application for usage of a copper IUD for crisis purposes.

With what situations can emergency contraception be properly used?

Crisis contraception may be used in several circumstances after sexual activity. These generally include:

  • Whenever no contraceptive has been utilized.
  • Intimate assault if the girl had not been protected by a fruitful contraceptive technique.
  • If you find concern of possible failure that is contraceptive from poor or incorrect usage, such as for instance:
    • condom breakage, slippage, or wrong usage;
    • 3 or maybe more consecutively missed combined dental contraceptive pills;
    • significantly more than 3 hours later through the typical period of intake regarding the progestogen-only product (minipill), or even more than 27 hours following the pill that is previous
    • a lot more than 12 hours later through the typical period of consumption of this desogestrel-containing capsule (0.75 mg) or higher than 36 hours following the pill that is previous
    • significantly more than two weeks later for the norethisterone enanthate (NET-EN) progestogen-only injection;
    • significantly more than 4 weeks belated for the depot-medroxyprogesterone acetate (DMPA) progestogen-only injection;
    • a lot more than seven days later for the combined contraceptive that is injectableCIC);
    • dislodgment, breakage, tearing, or very early elimination of a diaphragm or cap that is cervical
    • unsuccessful withdrawal ( ag e.g. ejaculation into the vagina or on external genitalia);
    • failure of the spermicide tablet or movie to melt before sex;
    • miscalculation associated with the abstinence duration, or failure to abstain or make use of barrier technique in the fertile times of the period whenever making use of fertility understanding based techniques; or
    • expulsion of a intrauterine contraceptive device (IUD) or hormonal contraceptive implant.

An advance method of getting ECPs could be directed at a female to make sure that she’s going to keep these things available whenever needed and certainly will just take at the earliest opportunity after unprotected sex.

Moving to regular contraception

After usage of ECPs, ladies or girls may resume or start a regular approach to contraception. In case a copper IUD can be used for crisis contraception, no extra contraceptive protection is required.

After administration of ECPs with levonorgestrel (LNG) or combined oral contraceptive pills (COCs), ladies or girls may resume their contraceptive technique, or begin any contraceptive technique instantly, including a copper-bearing IUD.

After usage of ECPs with ulipristal acetate (UPA), women or girls may resume or begin any progestogen containing method (either combined hormone contraception or progestogen only contraceptives) regarding the 6th time after using UPA. They are able to have an LNG-IUD placed immediately if it may be determined they’re not expecting. They are able to have the copper IUD inserted straight away.

Ways of crisis contraception

The 4 ways of crisis contraception are:

  • ECPs buy mail order bride containing UPA
  • ECPs containing LNG
  • combined dental contraceptive pills
  • copper-bearing intrauterine products.

Crisis contraception pills (ECPs) and combined dental pills that are contraceptiveCOCs)

whom suggests some of the after medications for crisis contraception:

  • ECPs with UPA, taken being a dose that is single of mg;
  • ECPs with LNG taken being a solitary dose of 1.5 mg, or alternatively, LNG drawn in 2 doses of 0.75 mg each, 12 hours apart.
  • COCs, taken as a split dosage, one dosage of 100 µg of ethinyl estradiol plus 0.50 mg of LNG, accompanied by a 2nd dosage of 100 µg of ethinyl estradiol plus 0.50 mg of LNG 12 hours later on. (Yuzpe technique)


A meta-analysis of two studies indicated that ladies who used ECPs with UPA possessed a maternity price of 1.2%. Research indicates that ECPs with LNG had a pregnancy price of 1.2per cent to 2.1per cent (1) (2).

Preferably, ECPs with UPA, ECPs with LNG or COCs should be used as soon as feasible after unprotected sex, within 120 hours. ECPs with UPA tend to be more effective between 72–120 hours after unprotected sex than other ECPs.

Negative effects through the usage of ECPs resemble those of dental contraceptive pills, such as for instance sickness and nausea, small irregular genital bleeding, and exhaustion. Negative effects aren’t typical, these are typically moderate, and can ordinarily resolve without further medicines.

The dose should be repeated if vomiting occurs within 2 hours of taking a dose. ECPs with LNG or with UPA are better COCs simply because they cause less vomiting and nausea. Routine utilization of anti-emetics prior to taking ECPs is certainly not suggested.

Medications employed for crisis contraception try not to damage future fertility. There’s absolutely no wait within the go back to fertility after using ECPs.

Healthcare eligibility requirements

There are not any limitations for the eligibility that is medical of may use ECPs.

Some ladies, but, utilize ECPs over repeatedly for almost any associated with the reasons stated above, or because their main way of contraception. Such situations, further counselling should be offered on which other and much more regular contraceptive choices can be right and much more effective.

Regular and repeated ECP use are harmful for females with conditions categorized as medical eligibility criteria (MEC) category 2, 3,or 4 for combined contraception that is hormonal Progestin-only contraceptives (POC). Regular usage of emergency contraception can lead to increased side-effects, such as for instance menstrual irregularities, although their duplicated use poses no understood health problems.

Emergency contraceptive pills had been discovered become less effective in overweight females (whoever human anatomy mass index is much significantly more than 30 kg/m2), but there are not any security issues. Overweight ladies really should not be rejected use of crisis contraception whenever they require it.

Counselling for usage of crisis contraceptive pills ought to include choices for making use of contraception that is regular suggestions about how exactly to utilize techniques properly in case there is observed technique failure.

Copper-bearing devices that are intrauterine

whom advises that the copper-bearing IUD, when utilized as an urgent situation contraceptive technique, be inserted within 5 times of unprotected sexual intercourse. This process is especially right for women that wish to begin to use an efficient, long-acting, and reversible contraceptive technique.


Whenever placed within 120 hours of unprotected sex, a copper-bearing IUD is significantly more than 99% effective in preventing maternity. This is actually the many effective as a type of crisis contraception available. As soon as placed, females can continue using the IUD as a continuous approach to contraception, or might want to alter to another contraceptive technique.

A copper-bearing IUD is really a safe as a type of crisis contraception. It’s estimated that there might be lower than 2 situations of Pelvic Inflammatory Disease (PID) per 1000 users (3). (FP Global Handbook). The potential risks of expulsion or perforation are low.

Health eligibility requirements

Eligibility requirements for basic usage of a copper IUD also submit an application for utilization of a copper IUD for crisis purposes. Ladies with an ailment categorized as MEC category a few (for instance, with present PID, puerperal sepsis, unexplained genital bleeding, cervical cancer tumors, or severe thrombocytopenia) when it comes to copper IUD must not make use of a copper IUD for emergency purposes. In addition, a copper-bearing IUD really should not be placed for crisis contraception following assault that is sexual the woman could be at high chance of an intimately transmitted illness such as chlamydia and gonorrhoea. A copper-bearing IUD really should not be utilized as crisis contraception whenever a lady has already been expecting.

The whom health eligibility requirements for contraceptive usage states that IUD insertion may increase the risk further of PID among women at increased risk of intimately sent infections (STIs), although restricted proof suggests that this danger if low. Present algorithms for determining increased threat of STIs have bad predictive value. Risk of STIs differs by specific behavior and regional STI prevalence.