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yolk sac but no embryo

A 35-year-old female asked:
Dr. Seth Derman
32 years experience Fertility Medicine
Hard to say: There are several possibilities, either it is too early to see anything and that conceived later than you thought, or that the pregnancy is doing poor ... Read More
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1 thank
Dr. Gerard Honore
28 years experience Fertility Medicine
Hard to say: Without being there or seeing the scan. If you had a vaginal ultrasound it would be quite unusual to not see a fetal pole at 7+ weeks. With an abdomin ... Read More
1
1 thank

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A female asked:
Dr. Patricia Allamon
16 years experience Family Medicine
Barely visible : if your hcg is normal, don't despair yet. The embryo can be BARELY visible at this stage. I don't know what your doctor's plan is, but the embryo and ... Read More
Dr. Peter Baumann
Specializes in Obstetrics and Gynecology
Expect heart beat: With accurate dating, the ultrasound technology available and a skilled monographer a crown lump length should be measurable and a fetal heart beat de ... Read More
A 35-year-old female asked:
Dr. Michael Traub
18 years experience Fertility Medicine
No: At 7-8 weeks there should not only be an embryo but also a heart beat. Unfortunately if those dates are correct then it is an abnormal pregnancy. Now ... Read More
A 29-year-old female asked:
Dr. Donald Alves
23 years experience Emergency Medicine
Please clarify: Your question says 5w5d embryo and then asks why embryo not seen? Not clear what your question is unless timing--early u/s are examining something abo ... Read More
A 20-year-old female asked:
Dr. Douglas Lawson
27 years experience Obstetrics and Gynecology
Maybe: Sac size is a bit less accurate than fetal crown rump length, so while no one can exclude a missed abortion here, I would repeat your ultrasound in ab ... Read More
A 34-year-old female asked:
Dr. Robert Crumb
24 years experience Obstetrics and Gynecology
Not yet.: Repeat ultrasound in a week or so should show and embryo, and possibly heart beat. However if you need answers more quickly, following the rise of HCG ... Read More
4
4 thanks
A 22-year-old female asked:
Dr. Parul Krishnamurthy
33 years experience Obstetrics and Gynecology
Very unlikely: I presume the gestational sac and yolk sac are located in the uterus, in this case, the chance of a concomitant tubal pregnancy is extremely small, al ... Read More
1
1 thank
A female asked:
Dr. George Grunert
51 years experience Fertility Medicine
Pregnancy: If ytour dates are accurate, you should be able to see a fetal pole and heart beat by 7 weeks. The sac should grow about 1 mm per day. You should disc ... Read More
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1 thank
A 37-year-old female asked:
Dr. Laura Pearlman
39 years experience Obstetrics and Gynecology
Too early to tell: Presumably you had the IUI when you were ovulating. If that was the case, I would expect the USN to show a 6W3day embryo, so the size difference is of ... Read More
1
1 thank
A 32-year-old female asked:
Dr. Timothy Brown
43 years experience Obstetrics and Gynecology
In a sense: The yolk sac is visible before the embryo grows large enough to be seen. As the fetus then grows the yolk sac will disappear. It is more a matter of ... Read More
2
2 thanks

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