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Ultrasound Showed Yolk Sac

QUESTION

Dear Ms. Ultrasound,
Hi, I was just wondering...

I had my last period at the beginning of January, we are unsure of the date though. We got a positive pregnancy test the first week of February which we were assuming at that point I could've been 3-4 weeks along because we had been charting ovulation.

I waited until what I thought would've been the 8 week mark to go to get an ultrasound. When I got there the lady was looking around for quite some time and said she didn't think I'm as far along as I thought and there was a yolk sac but nothing else.

I have no symptoms of a miscarriage and i have been taking prenatal vitamins. The lady at the ultrasound tech told me to come back in two weeks to see if there is any growth. So I am waiting the two weeks which I should be according to her at least having more to show in the ultrasound.

I have had many symptoms such as extreme fatigue, breast tenderness ( which has stopped slightly but they have maintained size). I have had food cravings and mood swings. I have not had much morning sickness but some nausea and I have started to hate any salty foods.

Could something have gone wrong or is the yolk sac a good sign?

Thank you for your help .

ANSWER

Hi There. Anytime the first ultrasound is done in early pregnancy, and the results are not clear, a second ultrasound is usually done after a period of 7-14 days. This waiting period gives the pregnancy time to grow large enough to appreciate on an ultrasound.

I know you had a positive pregnancy test early on, but there is nothing like an ultrasound to give you a baseline. From that point the second ultrasound will tell the story. After 10 days a fetal pole with a heartbeat will be obvious if the pregnancy is progressing normally.

With Regards,
-- Jane RDMS

Jane Foley

Jane Foley has worked as a Sonographer (Ultrasound Technologist) since 1979. Jane has lived and worked in many parts of the world including Saudi Arabia. She is a Registered Diagnostic Medical Sonographer or RDMS. She pulls a wealth of information from her experience in the field of Radiology and her interactions with such a broad cross-section of cultures she has visited. She now makes her home on the island of Maui with her English husband, Michael.