(Closed) Charters–can you help me pinpoint how far along I am?

posted 5 years ago in Pregnancy
Post # 3
Member
5479 posts
Bee Keeper
  • Wedding: August 2012

I am a fellow late-cycle ovulater!  I didn’t O til CD 18 the cycle I got pregnant, so I was confused about my EDD as well… it seems as though the doc will ALWAYS go by your LMP (unless you have PCOS or very irregular cycles-in which case they will probably do a dating u/s).   Anyway, my provider went by LMP, even though I said I knew when I ovulated, and as of my NT scan the baby was measuring a day or so AHEAD of their EDD.  So, it kind of didn’t matter that I didn’t O til CD 18, as the baby was & is still growing according to what they expected based on LMP.

Your EDD is 9/8/13 🙂  You’re 7w4d as of today, based on LMP.

Post # 5
Member
492 posts
Helper bee
  • Wedding: July 2011

My cycle is long as well and I chart, so I was very angry that they insisted on using LMP.  Then they sent me for a dating scan which measured over 2 weeks after the date they assigned (one week after my date based on ovulation).  They reassigned my EDD based on the ultrasound.

I would’ve been nervous if I hadn’t beem confident that LMP dating is inaccurate for me.  The second scan I went for was one day off of my EDD based on ovulation but they wouldn’t change it to this more realistic date, citing that ultrasound dating is fairly variable anyway.

I think if/when I have a second child, I’ll just lie about LMP and say it happened 14 days before I ovulated.

Post # 6
Member
1572 posts
Bumble bee

Yeah docs will usually go by LMP and not take into account ovulation date since it can be hard to pinpoint – mine did an ultrasound at 6 weeks just to make sure the size aligned with their estimate. 🙂 Congrats, mama!

Post # 7
Member
1172 posts
Bumble bee
  • Wedding: April 2011

Like the other ladies said, your doctor will go by your last period.  And they can do a sonogram to take measurements and tell you.  I had my first at 5 weeks to confirm the pregnancy/set a due date.  Congrats!

Post # 8
Member
4284 posts
Honey bee
  • Wedding: June 2012

ALL doctors go by your LMP.

Post # 10
Member
1172 posts
Bumble bee
  • Wedding: April 2011

@UK Bride:  I would say roughly 2 weeks after your last period, but that would really only apply if you have a 28 day cycle.  I used ovulation predictor kits when we were trying to keep track, but your cervical mucas would be a good indicator of ovulation so it was probably a day before or after you noticed it.  Or you could try one of the due date calculators online, they usually tell you when you conceived too (a rough estimate for you with a long cycle) so that would give you an idea of when you ovulated.

Post # 11
Member
1572 posts
Bumble bee

My best guess would be between 27 and 30 Dec based on when you got the faint positive and when your EWCM showed up.

Post # 12
Member
1081 posts
Bumble bee
  • Wedding: June 2012

I think the earliest an egg would implant would be 6 days after ovulation, and it takes a few days for hCG levels to rise enough after that to show on a test, so when you took the test, realistically, the earliest you might have been is 8 or 9 dpo, maybe even 10.  Was your CM pretty dried up the 28th? The “typical” CM pattern is for it to dry up immediately after O.  You probably ovulated on the 27th or the 28th of December.  

I tried convincing my doc I was charting and ovulated on CD20 (Dec 30th) EVEN THOUGH my LMP started Dec 11.  They still went by LMP, but gave a few extra days I believe.  He’s like: well, looks like Sept. 18th is what we will call your EDD.  And in my head I’m like…..nope! Sept 22nd according to FF and my temperature pattern! Haha. I am not too worried about it, and ultrasounds are pretty accurate at determining due dates.  The only way I will say anything more about the matter is if baby is measuring a few days smaller and they mention it, I will be like I DIDN’T OVULATE UNTIL CD20, so it should be measuring at x weeks, x days.  Sometimes measuring too small, especially in the beginning, can be a bad sign, so I don’t want them thinking baby should be however big for a Sept. 18th due date when in reality, that’s 4 days earlier than what my O pattern says.  I don’t know how big of a difference 4 days makes, but I would think in the beginning, it might a little (um, have you seen how much baby changes from 6 to 7 weeks, and then again from 7 to 8 weeks? Holy crap!). 

Post # 13
Member
1040 posts
Bumble bee
  • Wedding: January 2010

I would say it sounds like Dec 27/28, based on all of that. That being said, I KNEW that I had ovulated on CD20, which would throw the doctor’s EDD off by at least a week. I told my midwife this, and sure enough, when I went for my dating scan (I have PCOS), I was right on target. So, while the doctors will initially go by LMP, they’ll change their tune once you have your first scan.

 

Post # 14
Member
818 posts
Busy bee
  • Wedding: July 2013

We didn’t conceive til CD61 so we had a dating u/s done. I was only 1 day off in what I thought I was. So according to what you have posted I agree with the other ladies that you ovulated the 27/28 and would be due Sept- 19-20th. 

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