March 2015 Moms

LMP vs ultrasound dating

How many people have different due dates due to both? If i go off my lmp i would be due march 25. When an ultrasound was done at my very first apt...it put me at a due date of march 31. Im curious to see how many people give birth closer to each?

Same thing happened with my DS and DD. They were both born closer to my LMP vs ultrasound dating.

Just a for fun post.

Re: LMP vs ultrasound dating

  • I had the Implanon in my arm for 3 years as birth control and had it taken out in the middle of June. Fiancé and I decided we wanted to try and have a baby so we weren't using any kind of protection. We decided to really start trying after I got my first period. Well, early July I got a very light but still a few days of bleeding so I assumed it was my period. I waited and took a pregnancy test early august and I was pregnant. We assumed I was very early still. So going by what I thought was my period I was due April 13th. My doctor decided to do a dating ultrasound in September when I thought I was only 9 weeks. I began to notice I was starting to get a little belly but figured it was just in my head and maybe I was showing sooner because it was my second baby. We went to our ultrasound and saw a very big baby on the screen. I was kinda surprised at how big the baby was. After the tech did all her measurements the baby was measuring 3 weeks ahead at 12 weeks and my due date was March 23rd. It turns out what I thought was a period in early July wasn't a period but more than likely implantation bleeding. I actually got pregnant 2 weeks after getting birth control out. So yeah, there's my long story about lmp vs ultrasound dating lol
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  • If I go by my LMP, my due date was yesterday! My ultrasound due date is the 18th. I'm hoping to have her a bit earlier than that! :)
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    For SuzyQ and all the M15 losses


  • My LMP due date was Feb. 25th. First ultrasound moved it to March 7th. Still pregnant and it's very frustrating! My first was induced at ten days over but I never had a dating ultrasound because my doctor didn't think it was necessary because I was sure of my dates. I was sure of my dates with this pregnancy also. I feel like my body just is not capable of going into labour on it's own.
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