U.S. doctors online nowAsk doctors free
Top answers from doctors based on your search:

6 week ultrasound only gestational sac

A 33-year-old female asked:
Dr. Piotr Obara
Radiology 14 years experience
May be too early: To see the gestational sac at this point. Usually this is seen around 4-5 weeks.
Dr. Justin Buchanan
Radiology 12 years experience
Probably not: Not likely to see a gestational sac that early.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
A 38-year-old female asked:
Dr. Paul Velt
Diagnostic Radiology 42 years experience
Hard to say: Without actually looking at the ultrasound , it is nearly impossible to say what it is you are looking at. I will presume that at this very early sta... Read More
A 34-year-old female asked:
Dr. Erinn Huffman
Obstetrics & Gynecology 11 years experience
Most likely: The most accurate measurement of the fetus is the crown rump length. The gestational sac is like a fluid filled balloon, not a perfect sphere. So the ... Read More
A 21-year-old female asked:
Dr. Edward Sung
Obstetrics and Gynecology 54 years experience
Too early to tell: Too early to tell. Need repeat hcg few times. The number should double every two days. Bottom line is not until 9 weeks from 28day cycle to be... Read More
A 28-year-old female asked:
Dr. Bruce J. Stringer
Radiology 47 years experience
Sono better than lmp: There are 2 possibilities. One is that you conceived later than you thought, perhaps due to late ovulation. The other is that the conception failed ve... Read More
A 18-year-old female asked:
Dr. Gerard Honore
Fertility Medicine 29 years experience
Get clarification: No, it's not bad. In the first trimester fetal size (crown-rump length) beats gs measurement every time for accuracy. In the 2nd trimester fetal biome... Read More
A 31-year-old female asked:
Dr. Alan Patterson
Obstetrics and Gynecology 42 years experience
What did your OB say: Your OB should ahve told you that was normal! you will need a followup us because you should be able to see a ht beat at approx 6 1/2 weeks.
A 34-year-old male asked:
Dr. Charles Gordon
Specializes in Adolescent Medicine
Not really: There are several parameters that are measured to follow fetal growth in utero: biparietal diameter, femur length. They don't measure size of fetal sa... Read More
A 21-year-old female asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Usually repeat: Too early. If you are 5 weeks then it is too early to see a fetus on sonogram. Typically the doctor would have you come back for a repeat sonogram in ... Read More
A 32-year-old female asked:
Dr. Charles Tsai
A Verified Doctoranswered
A US doctor answeredLearn more
Early OB ultrasound: With standard transabdominal ultrasound, radiologists can see a gestational sac around the 5-6 week mark. Before the 5-6 week mark, it's not unusual ... Read More