Something isn't adding up — The Bump
1st Trimester

Something isn't adding up

Maybe someone can help me out lol I suck at math but I used a couple caculators trying to find out when I concieved. I thought I had all my dates on track, when I ovulated and when I could test blah blah blah. So I got my BFP (big fat positive (pregnancy test)) Aug. 7 and my LMP was July 14th and i went for my first U/S (ultrasound) on Sep 10 and measured at 6 weeks 3 days. I'm currently 7 weeks. But that would mean by estimate I concieved around Aug 9th which makes no sense. Cause I tested August 7th...what am I mixing up here...I literally spotted the day I ovulated and had cramping as well. And then took my first test 8dpo on Aug.7

Re: Something isn't adding up

  • PG math can be difficult.  So if on Sept you're dating 6 weeks and 3 days, then you'd conceived around July 27... and if your last AF was July 14, that's about right.  

    Sometimes you could be off several days, and sometimes the early scans show a slower developing fetus. Either is possible, and as long as your doctor isn't worried, you probably shouldn't be either.  Good luck!
    Malidociousbrookert615
  • As I was told, dating (even early) is not an exact science - they are approximations.  Though the earlier the scan the closer the approximation. 
    dpchickensMalidociousbrookert615
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  • Maybe someone can help me out lol I suck at math but I used a couple caculators trying to find out when I concieved. I thought I had all my dates on track, when I ovulated and when I could test blah blah blah. So I got my BFP (big fat positive (pregnancy test)) Aug. 7 and my LMP was July 14th and i went for my first U/S (ultrasound) on Sep 10 and measured at 6 weeks 3 days. I'm currently 7 weeks. But that would mean by estimate I concieved around Aug 9th which makes no sense. Cause I tested August 7th...what am I mixing up here...I literally spotted the day I ovulated and had cramping as well. And then took my first test 8dpo on Aug.7

    *minus ultrasound pic*
    QFP
    _______________________________________________
    TTC#1 July 2015 
    • BFP: 9/16/15 — MC: 11/8/15 Blighted Ovum
    • BFP: 3/10/16 — Baby Girl born 11/20/16
    TTC#2 April 2019 
    • BFP: 9/12/19 — EDD 5/15/20

    brookert615
  • Your dates sound like they line up to me.
     
    Also you may want to either change your SN or crop that pic, because right now i know your full name, your birthdate, and that you live in the Bay Area.  I am willing to bet that i could find you on social media by googling you in under 10 minutes, so you should probably lock that down, because internet strangers can be crazy.
    crazypugladymrsvp614
  • delujm0 said:
    Your dates sound like they line up to me.
     
    Also you may want to either change your SN or crop that pic, because right now i know your full name, your birthdate, and that you live in the Bay Area.  I am willing to bet that i could find you on social media by googling you in under 10 minutes, so you should probably lock that down, because internet strangers can be crazy.
    She also posted the same thread in the May 2020 BMB: https://forums.thebump.com/discussion/12746900/how-do-i-delete-this#latest  :s
    Me: 37 / DH: 41
    Due with baby #2: Feb 2022


    delujm0brookert615
  • During my first pregnancy the US tech explained to me that they give you the date that they expect you will deliver, but they also say it can be off by anywhere up to three weeks
    Malidocious
  • wend12345 said:
    During my first pregnancy the US tech explained to me that they give you the date that they expect you will deliver, but they also say it can be off by anywhere up to three weeks
    Yup. There's a reason full term is considered anywhere from 37 to 42 weeks. 
    dpchickensMalidocious
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