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5 days difference

10 replies

Alissa25
According to the midwife's calculation, I'm currently 23 weeks pregnant.
But my last period was on February 15th, and if I add 40 weeks to that, I get November 22nd.
My estimated due date is November 28th.
I have a longer cycle, averaging 32-34 days.
Does that make a 5-day difference, and did I conceive later because my ovulation was around day 19 instead of day 14?
When I calculate online, it always shows my fertile window was between March 3rd and 7th, with the peak on March 5th, which is also the date of intercourse.
So, am I actually shorter pregnant because of my longer cycle, and is that why it says 02-21 instead of 02-15 for my last period?
I had intercourse on February 20th, February 26th, and March 5th, but since I have a long cycle and had intercourse exactly on March 5th, I think I got pregnant then, and that's why I'm not 24 weeks yet but 23, due to a slightly longer cycle meaning later ovulation.
Does that make sense?

Replies

  1. Anonymous Guest #2

    Just stick to the midwife's calculations; you can never be 100% sure when your ovulation actually was. You also don't know if there were still eggs from earlier intercourse that ended up getting fertilized, rather than that one time on March 5th. There's no week's difference, so why are you so hung up on it? I was also put at 2 days later than my period, and that's now calculated to be a week away. And I don't cling to that either, because the baby decides when they're coming.

  2. Kat #3

    Alissa, I totally get why you want to know. If your cycle is longer, your ovulation is indeed a bit later than day 14. Usually, definitely. And a midwife always counts 2 weeks before ovulation. That would explain the difference. I myself have a long cycle of 36/37 days, so I'm also less pregnant than you'd think based on your last period. I'm 10 days less along myself.

  3. Alissa25 started this #4

    That actually explains it.
    My ovulation was "supposed" to happen around March 1st, but since I have a cycle of 32-34 days, it was probably around the 5th instead of the 1st.
    That's why I'm also a bit less pregnant than if you calculate from February 15th, just like you :-)

    Congratulations by the way!
    When is your due date?

  4. Kat #5

    That seems like the explanation indeed.

    Congratulations to you too
    My due date is December 29th, and yours?

  5. Alissa25 started this #6

    I'm due on November 28th, so it's not much of a difference.
    I'm with Sinterklaas, you're with New Year's haha

  6. Kat #7

    Oh that saves a month of fun indeed! How are you feeling?

  7. Alissa25 started this #8

    I can't complain.
    Apart from the fact that I can't work right now because of back and pelvic issues, I don't have many other complaints, except for some heartburn and a bit of fatigue.

    And you?

  8. Kat #9

    Terrible pelvic and back pain.
    Thankfully, I only have occasional mild nausea, but it's very manageable.

  9. Alissa25 started this #10

    Yeah, I already get back pain pretty quickly because I have a hollow back.
    And since I work in healthcare, it's not the ideal combination right now but now that I'm taking it easier and doing physio, it's going much better. So starting next week I'll be doing adjusted work—I still want to do something and not stay home until mid-October when my leave starts.

  10. Kat #11

    Bad combination, indeed. Glad they found someone to cover for you. Working in healthcare with back pain doesn't sound fun at all.

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