The endometrium the lining of the uterus where the pregnancy will grow should appear thick and secretory. I know for a fact he was concieved either the 4th or 5th because my hubby was out of town at work during the week before and after! Establishing accurate dates can be important, especially if there are concerns about your baby later in the pregnancy for example, if the baby is not growing well. My doctor said the ultrasound could be off by as much as 4 weeks! From now until the end of the first trimester, the embryo will be measured from one end to the other, called the crown-rump-length or CRL. Performing the transvaginal ultrasound usually causes less discomfort than a pap smear.
You may have gone to your doctor with vaginal bleeding or you may be anxious because of problems in a previous pregnancy such as miscarriage.
Early ultrasound - 4-5 weeks
I was induced at 40 weeks with boy my other two children because of the drs protocol. Originally I was a little upset about them moving the date, but then I realized it was actually a good thing. Identifying pregnancies at increased risk of miscarriage or pregnancy loss. A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel. So in an effort to try to give me more time, they decided it would be a good idea to go with the later date. New research suggests that there is a more accurate way to estimate baby's birth date toward the end of pregnancy.