Emergency Contraception

emergency contraceptives, family planning, reproductive health

At A Glance:

  • Contraceptive pills can be used as emergency contraception after unprotected sex to decrease the chances of pregnancy.
  • Should only be used after unprotected sex, if another contraceptive method failed, or if no contraception was used.
  • Pills can be up to 88% effective if taken within 72 hours (three days) after unprotected sex. The sooner, the better.
  • The Yuzpe Method is not guaranteed as effective as daily intake of pills as a regular contraceptive method.

What Is It

Emergency contraception lessens the chances of a woman getting pregnant if taken within the first few days after unprotected sex. It should be taken as a last resort when other contraceptive methods failed or were not used during unplanned sex.

You may want to use it if:

  • you weren’t using any contraceptive when you had sex
  • you forgot to take your pills or use condoms
  • your partner’s condom broke or slipped off
  • your partner didn’t pull out in time or
  • you were forced to have unprotected vaginal sex

Emergency contraceptive pills are also called “morning after pills,” which gives the wrong impression that they should be taken the morning after unprotected sex, when in fact, they can already be taken as soon as possible without having to wait for the morning after.

In the Philippines, the daily oral contraceptive pills available can be used as emergency contraception through a specific method. The Yuzpe Method prevents pregnancy before it happens; it’s a backup plan, and should not be done regularly. If you are interested in taking oral contraceptive pills as a regular method of contraception, consult your healthcare provider to know more. It is also strongly advised to consult a healthcare provider when using the Yuzpe Method.

How It Works

Pregnancy doesn’t happen immediately after sex, which is why preventing it after unprotected sex is still possible. Take note: it can take up to seven days for the sperm cell and egg cell to meet after sex.

Pills prevent the sperm cell and egg cell from meeting and result in pregnancy by releasing a large dosage of the hormones estrogen and progestin in the body. Through this, the egg cell is stopped or delayed from leaving the ovary and traveling to the uterus for fertilization.

The Yuzpe Method lessens the chances of pregnancy to happen if taken within the first few days after unprotected sex; however, how much the chances are reduced depends on how soon the pills are taken after the incident, and at what stage the woman’s menstrual cycle is already when she takes it. The chances of getting pregnant are higher when the woman had unprotected sex during the 2nd or 3rd week of her menstrual cycle; this makes the effectiveness rate not absolute. It’s always better to use a regular form of contraception, such as a condom or the daily oral contraceptive pills.

How To Use It

Do the Yuzpe Method as soon as possible after unprotected sex. Although it can reduce the risk of pregnancy if used within 72 hours after the incident, taking it sooner makes it more effective.

Take four (4) Ethinyl Estradiol 30mcg/Levonorgestrel 150mcg pills as soon as possible. Follow this with another dose of four (4) pills 12 hours later. You should be able to take a total of eight (8) pills.

If vomiting occurs within 2 hours after taking either of the doses, you need to repeat that dose. Remember, the sooner the pills are taken, the better.

It’s normal for your next period to be different from normal after taking emergency contraception.

  • It may come earlier or later than usual
  • It may be heavier, lighter, more spotty, the same as usual

You may also feel dizzy and nauseous after taking the pills.

The Positives

  • Pregnancy can be prevented after unprotected, unplanned or unsolicited sex.
  • Offers more protection and peace of mind than doing nothing.
  • Easy to use.

The Negatives

  • Can cause an upset stomach and vomiting.
  • Could cause breast tenderness, irregular bleeding, dizziness, headaches (short-term), and temporary changes to the menstrual cycle.
  • The Yuzpe Method should be done.


Department of Health. The Philippine Clinical Standards Manual on Family Planning (2014 Edition). Manila, Philippines: DOH. 2014. Pp231-239



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612 thoughts on “Emergency Contraception

  1. hello, pag nadelay na po ba ng 2-3weeks, magging back to normal na po ba yung cycle ko? i don’t take pills regularly so basically this is my first time. regular cycle ko it ranges from 28-32 days. i just took 4 pills 7 hours ago. nagtake ako lagpas 24 hours when we did the deed. i experience slight lower back pain. is that ok? thanks

    1. Hi, Julia! Opo, kusang babalik rin naman po sa normal ang inyong cycle pagkatapos ng Yuzpe Method. Ang slight lower back pain po ay isa rin sa mga karaniwang karanasan ng mga babae pagkatapos gawin ang method.

      1. kapag po ba mag yuzpe method, hindi na magoovulate? i’m waiting for my ovulation kasi. i use calendar and cervical mucus method. i’m on my luteal phase na based on my cm. di ako nag ovulate. near menstruation na ako. is that possible? thanks!

      2. Hi, Julia! Gaya nga po ng inyong nabasa sa artikulong ito, ang Yuzpe Method po ay maaaring magsanhi ng temporary na pagbabago sa iyong menstrual cycle, tulad ng pagdelay ng regla. May ilang babae po, at baka nabasa niyo na rin sa ibang comment dito, na inaabot sila ng 2-3 linggong delay kumpara sa karaniwan.

    1. Hi, Kimmy! Opo, tulad nga po ng inyong nabasa sa artikulong ito, ang Yuzpe Method ay maaaring magsanhi sa pagbabago sa susunod na menstrual cycle gaya ng pagdelay ng regla. Pansamantala lang naman po ito, at kusang babalik rin ang inyong regla sa normal.

      1. Gano po kaya katagal usually madedelay? Nag pt naman po ako pero negative naman kaso hanggang ngayon wala padin po ako.

      2. Hi, Kimmy! Hindi po namin madidikta kung kailan ka dadatnan, pero baka nabasa niyo na rin po dito ang ibang comments na nagsabi na sila’y nadelay nang 2-3 linggo.

    1. Hi, Thea! After the Yuzpe Method, you may take the pills normally (1 pill every day) IF you want to use them as your regular form of contraception. If not, no need to take the remaining pills in the pack.

  2. Hi! I had unprotected sex during my 7-day sugar pill phase or the week that I’m supposed to get my period. I did the Yuzpe Method and I still haven’t gotten my period yet even though I already finished the 7 sugar pills. Is it possible that I won’t be able to get my period? Or is it late?

    1. Hi, Mae! As you may have read in this article, the Yuzpe Method may cause temporary changes to your menstrual cycle such as delayed menstruation. Some have even shared their experience that it took them 2-3 weeks later than usual. Also, you’re protected by your pills during your 7-day sugar pill phase/week if you’ve taken all the earlier pills correctly every day, without missing a pill.

  3. Hello how long does the side effects of yuzpe method lasts? Does it continue to the next day/days after you’ve taken it or only within the day you take it?

    1. Hi, Bella! The side effects may continue for the next few days after doing the Yuzpe Method. Some have also shared their experience that they had slight, but tolerable side effects after a week.

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