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Sex a Week Ago, Now Faint Line on Pregnancy Test

5 Comments

ayvasmommy (age 20) asks, “Ok I usually always have my period the 1st of each month that being said i usually ovulate 12-16 im not on any birth control and i had unprotected sex on th 8th an the next day i went an got a plan-b!!! Ok well on 15th i had unprotected sex again an he went in me an the was my ovulating day today is th 23rd i took a test and it had a light faint line….. Do u think im pregnant??”

Dear ayvasmommy,

It’s kind of early for a pregnancy test to be able to pick up any hCG assuming that your having sex on the 15th is what got you pregnant. Tests usually recommend to wait until the time your period should begin to take the test, and, for best accuracy, to wait until the day when your period should have ended. Some women do have higher initial hCG levels than others (or, their body starts making the hCG earlier than expected before their first period due to the timing of ovulation and implantation of the fertilized egg), and this group could have a positive read on a pregnancy test earlier than most.

Did you have your regular period around May 1st? Did you experience any spotting after taking Plan B on May 9? Are you completely sure you saw a light faint line on the pregnancy test?

Pregnancy tests rarely are faulty – as long as you accurately follow the instructions and read the test within the brief time frame specified. It is possible for a pregnancy test to have faint lines and you not be really pregnant; these lines are sometimes called evaporation lines and result from the urine evaporating and leaving a slight line behind. This could happen if you let the pregnancy test sit on the counter for a while and then look back at it. Be sure, when taking a urine pregnancy test, to look for lines within the several minutes that they specify on the instructions to avoid a false positive reading by mistakenly thinking evaporation lines are positive lines.

My recommendation would be to wait a week and then take another pregnancy test using the concentrated urine that builds up while you are sleeping. Take the test first thing in the morning. If that test comes back negative, wait another week and try again.

Best of luck,

Hannah

Filed Under: General Pregnancy

Reader Interactions

Comments

  1. Mandy says

    May 24, 2010 at 6:07 pm

    Hi, I’m Mandy and I’m 16 years old. My boyfriend and I have unprotected sex all the time …

    Reply
  2. Hannah says

    May 24, 2010 at 6:43 pm

    Mandy – I’m going to do your question as a standalone post. Just a heads up.

    Here’s the link to it: http://www.onlinepregnancytest.biz/blog/newly-taking-loestrin-24-fe-but-vomiting-tired/

    Hannah

    Reply
  3. sally says

    June 29, 2010 at 8:25 pm

    same here im so scared i had unprotected sex with the same guy twice this month and i havent got my period i took a prego test and they were all neg but i looked the next day and there was a faint line on two but not the othere what do i do am i prego?

    Reply
  4. Tiffany says

    March 5, 2011 at 5:40 pm

    For sally, pregnancy results after 10 minutes are not valid, so its most likely neg. for mandy u could be pregnant, the light lines will drive u crazy but most of the times they are true, try a digital test that reads pregnant or not pregnant

    Reply
  5. Laira says

    January 27, 2017 at 6:31 am

    Hi i am 23..i want a baby badly…had my period 21-23 of this month but went for a blood test and was told i was positive but the line is very faint went for a scan two days later and was told no obvious pregnancy seen …pls can u xplain

    Reply

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