Difference Between Similar Terms and Objects

Difference between Postinor 1 and Postinor 2 

These are emergency contraceptive tablets that help to prevent pregnancy in case of unprotected sexual intercourse. Women are advised to take one tablet immediately after any unprotected act of sexual intercourse, up to 4 pills per month.

The nature of the consumption requires that women should have these tablets in possession before they are in need of them.  Clinical studies have reported that these contraceptive emergency tablets have a failure rate of less than 1% and very few side effects. Side effects include 10-15% vomiting and 20-35% bleeding. These side effects can be seen only if more than 4 pills are used in one months’ time.  However, it is important to consult a doctor or a physician before taking these tablets.


Difference between Postinor 1 and Postinor 2

What is Postinor 1?

Postinor 1 is a one-time contraceptive tablet used at the time of emergency. However, this tablet cannot be used as a usual method of contraception. The tablet is effective in stopping pregnancy if ingested within 72 hrs of unprotected intercourse.

Several studies claim that Postinor 1 has the potential to stop 85 percent of anticipated pregnancies. It is also effective as medication if taken immediately after unprotected sexual intercourse. It is a safe to use tablet which doesn’t affect future pregnancy and also, it doesn’t cause any barrenness.

This contraceptive tablet does not prevent you from getting STDs i.e. sexually transmitted diseases. Also, the tablet should be taken only after consultation with a doctor or a pharmacist.


Difference between Postinor 1 and Postinor 2 

What is Postinor 2?

Postinor 2 possesses the same active ingredient as Postinor 1 i.e. levonorgestrel progestogen. Even the mechanism of action is the same. However, Postinor 1 is just one tablet and Postinor 2 comes with two tablets. Postinor 2 is another eversion of Postinor medication. It is advised not to take the two tablets at the same time. It is dangerous and will result in messing up things for you. One table can be taken immediately after unprotected intercourse and the second tablet should be taken 12 hours later. Rest of the characteristics are the same as in Postinor 1.


Difference between Postinor-1 and Postinor-2

1) Number of Tablets in Postinor-1 and Postinor-2

Postinor 1

Postinor 1 is just one white and round tablet in one blister sheet

Postinor 2

Postinor 2 contains one blister sheet with two tablets dosage. The tablets in this case also are round and white.

2) Qualitative and Quantitative Composition in Postinor-1 and Postinor-2

Postinor 1

1.5 mg of levonorgestrel progestogen in 1 Tablet/Pack. The tablet cannot be halved.

Postinor 2

Each of the tablet contains 750 micrograms of levonorgestrel progestogen.

3) Dosage of Postinor-1 and Postinor-2

Postinor 1

One tablet should be taken immediately after unprotected sexual intercourse within 12 hours to prevent pregnancy.

Postinor 2

One tablet should be taken immediately after unprotected sex and one should be taken after 12 hours of taking first one.

4) Manufacturers of Postinor-1 and Postinor-2

Postinor 1

The manufacturers of Postinor 1 worldwide include Gedeon Richter, Rex Medical, Farmage SAC, Intensive Care Products Private Ltd., and Chempharos CO.

Postinor 2

The manufacturers of Postinor 1 worldwide include Gedeon Richter, Shaheen, Delfi Singapore, Biofarma Natural CMD, Genpharma, Society for Family Health, PT Tunggal Idaman Abdi Jakarta, Rex Medical, Family Planning Association of Srilanka, Aciprosalud C.A., Farmage SRL, Intensive Care products Pvt Ltd., Mekim Ltd and Lab Libra.

5) Countries where currently marketed for Postinor-1 and Postinor-2

Postinor 1

Argentina, Venezuela, El Salvador, New Zealand, South Korea, Colombia, Aruba, Australia, Peru, Suriname, Netherlands Antilles, Guatemala, Dominica.

Postinor 2

Albania, Taiwan, Uganda, Vietnam, Zimbabwe, Egypt, Peru, Kenya, Czech Republic, Sri Lanka, China, Argentina, Jamaica, Mexico, New Zealand, Pakistan, Nigeria, Romania, Montenegro, Yemen, Kenya, Morocco, China, Egypt, India, Trinidad and Tobago, Australia, Bangladesh, Bolivia, Brazil, Colombia, Ethiopia, Hong Kong, Indonesia, Lithuania, Malaysia, Myanmar, Paraguay, Peru, Serbia, Singapore, Slovakia, Uruguay, Venezuela,

Summary of Postinor-1 vs. Postinor-2

The points of difference between Postinor-1 and Postinor-2 have been summarized below:

Difference between Postinor 1 and Postinor 2


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  1. It okay thank you

  2. I need help, I used postinior 1 close to 60hours after having unprotected sex.. Please what is my chances of not getting pregnant??

    • Hello
      I just used one tablet of postinor 1 not less than 3 hrs I had unprotected sex..can I used 2nd tablet after 12 hours for the postinor 1
      Also can I switch to postinor 2…since it has high success rate

  3. Does postinor 2 work for abortions.

  4. i used two tablets of postinor 1 at a time,any problem with it and hope am save

  5. My girlfriend used postinor 2 and she has been bleeding for four days now is that normal?

  6. My girlfriend used postinor 2 and she has been bleeding for four days now is that normal cos I’m freaking out now … please I need answers asap

  7. How long does postinor 2 side effects last? And does it means that if you have any side effect that the drugs didn’t work?

  8. I bought postinor 2 and it contains 10 tablets …is that going to work

  9. Am afraid i had unprotected sex which i take postionor 1 but am seeing sign of pregnancy after 2 weeks. Please is it possible for me to be pregnant?

  10. I never had sex with my boy Friend
    But he poured his sperm
    On me
    Since last week have been feeling weak
    And my breast tite is paining me
    Does dat mean am pregnant?

  11. I use postinor 2 all at the same time please am I save.

    • I usually use postionor 2 immediately I use pregnancy test tube and is positive,I usually count my menstrustion date and if I miss my period I will do test and use postionor 2 immediately I use to takes the two at once and it work for me, please hope it normal?

  12. Please I took postinor 1 within 12 hours after unprotected sex, with ampiclox Beecham, hope I’m saved cos I’m soo worry and I’m beginning to imagine myself getting pregnant becos it didn’t take it on time

  13. My gf used prostinor 2 took 1pill around 13h after sex and the second after 15h later is it still okay cause they said the gap between the 2pills should be 12h

  14. I took 2 tablets of postinor 1 after 13 hours of having unprotected sex …hope am safe?

  15. thanks but i we like to know more about this again

  16. Pls I used 6 tablets of postinor 1 in three days.hpe m safe.

  17. I miss my period and thking of using prostinior 2,will help me get my mentration back please I need ur answer

  18. My girl friend took postinor 2 after her intercourse, 5 days later she began to bleed
    What can cause that

  19. I had unprotected sex with my friend.
    She took one tablet of postinor2 two hours after the sex and the second tablet 8 hours after.
    I hope it will work and there won’t be any problem

  20. Can one take postinor 2 after 72 hours

  21. Can some one take post 2 after 3 days

  22. I used post pill after one hour of unprotected sex. One week later..am bleeding but have been having cramps and Lower abdominal pain. Am I safe or do I need another tablet? Worried

  23. I miss my period and thking of using prostinior 2,will help me get my mentration back please I need ur answer

  24. Pls I used postinor 1 exactly 48hours after having unprotected sex and took the 2nd pill 13hours later. Pls will it still work perfectly?

  25. Please I took postinor 2 two tablets at the same time, any effect and will I get pregnant?

  26. I took two tablet of postinor 1 immediately after had unprotected sex with my fianace .. hope there will not be side effect

  27. Pls can postinor 2 distroy pregnant

  28. Please i had unprotected sex two times in a day and took postinor 2. Can it work for me to prevent pregnancy?

  29. Please i had unprotected sex two times in a day and took postinor 2. Can it work for me to prevent pregnancy?
    Can it still work or do i still need another dose

  30. Does postinor2 abort?

  31. My girlfriend used two tablet of postinor 2 after unprotected sex hope is not harmful?

  32. Please I need more knowledge about using postinor2

  33. I use two tab of postinor 1 after 48hrs of having unprotected sex,I hope is gonna work and I hope there’s no gonna be side effect.

  34. Between postinur 1and 2 ,which of it is better to use after sex to avoid any issues I confusion

  35. I took postinor2 after one week of my period and now am bleeding I hope am save

  36. I used postinor 2tablets at ones after 2days of unprotected sex, and i missed my period.
    Could that be pregnancy? I’m already crying

  37. Please I used postinor 2 after 45 hours having sex,hope it will prevent me from getting unwanted pregnancy

  38. I am ovulating and i had unprotected but I took postpill after 2 hours,will I get pregnant?

  39. Am in my 4days of ovulation and I had unprotected sex and this is the second day since I had the sex.
    Which of the postinor should I use?

  40. My girlfriend used postinor 2 after one days unexpected sex

  41. I had unprotected sex and I used postpill 1 am I safe

  42. I had unprotected sex yesterday and my boyfriend released in me after 2 hours of that I drank postinor 2 and amplicolx becham .then after 3 hours I went to drink postinor 1, 2 tablet does it has any side effect???pls I want an answer because I want to stop the sperm from producing any egg

  43. I toke it postinor 2 twice within 48 hours…. Hope it’s safe?

  44. How can u take postinor 1 immediate when u have sex?

  45. You are not replying people’s questions and comments

  46. Pls can one take 2 pills at a time

  47. Which of the postinor is best to use when unprotected sex take place. Is it postinor 1 or postinor 2

  48. Hi.
    Please can I still take Postinor 2 even after I have taken Postinor 1 2Hours after unprotected sex?

    Maybe taking Postinor 2 12 hours later to be sure since I just read Postinor1 is less effective.

  49. Please sir is it need to repeat postinor 1 in space of 12hours

  50. I used on dose of postinor 1 immediately after unprotected sex,please am I really safe or do I need extra pills to avoid unprotected pregnancy? Please reply me

  51. Please I used postinor1 after making love with my guy, hope I am safe or I should use another dose??

  52. Can One Take Postinor after Having Sex With protection please Reply

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References :

[0]Camp, S. (1995). Postinor--the unique method of emergency contraception developed in Hungary. Planned Parenthood in Europe, 24(2), 23-4. 

[1]Renne, E. P. (1998). Postinor use among young women in southwestern Nigeria: a research note. Reproductive Health Matters, 6(11), 107-114. 

[2]Seregély, G. (1982). Results of a multicentre trial of Postinor. Therapia Hungarica, 30(2), 72-8. 

[3]Image Credit: https://commons.wikimedia.org/wiki/File:Www.postinor.pt.jpg#/media/File:Www.postinor.pt.jpg

[4]Image Credit: https://www.flickr.com/photos/artificiofotografico/2325805580

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