Gestational Age VS Fetal Age and the time of conception
Hi - I am new to this forum and I really need some help! My husband and I have been TTC for many years and finally after attemping to give up we got PG. Now I have a few questions for the EXPERT out there. I am trying really hard to determine when I got PG... But I am haveing a hard time doing so. Let me give you some history first. The first day of my LMP was on 07/03/06 (full blood on 07/04/06). I get a period every 33 days (sometimes between 31-35 days) on average 33 days. Ok... so now the story starts. I went to the doctor for two ultrasounds.
My first US was on 08/19/06. The US stated that there was only a gestational sac with a yolk - with no fetal pole noted. The age of the fetus was based upon two dates. One: Gestational Age of LMP @ 6 Weeks 4 days and the other was just a Gestational Age based upon the size (9.7mm x 4mmx4.2mm) @ could correspond to 5 weeks.
My second US was on 08/31/06. The US stated that there is a gestational sac, yolk sac and fetal pole noted. The age of the fetus was again based upon two dates: Gestational Age of LMP @ 8 weeks 2 days and the other was based upon the Gestantional Age @ 6 weeks 5 day +/- 3 days. With notes stating that the CROWN RUMP LENGTH fetal pole is @ 0.9 cm corresponding to 6 weeks 6 days.
Can someone help me by telling me if the gestational sac meansurments and the crown rump measurements are based upon:
I understand the term of Gestational Age LMP. But I am confused with the term "gestational age". Is the gestational age based upon the 14 day rule that every woman ovulated 11-15 days after their LMP? HELP!
Gestational age is from LMP. Fetal age is usually about two weeks behind, (~from conception). I have the book "Your Pregnancy Week by Week" and it has gestational and fetal age every week. I am 15 weeks from LMP, but the fetus is only ~13 weeks. Sounds as if everything is going well for you!
Hey - congratulations! I am due with #4 on 04/11/07 and am currently 9 weeks 2 days (today). The gestational age of the fetus is 2 weeks less than this by my understanding (and previous experience lol)!
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