Common "Gestational Sac" queries answered by top doctors | iCliniq

Gestational Sac

The fluid-filled cavity surrounding the embryo is called a gestational sac. It is the first sign detected in an ultrasound during early pregnancy (around 3 to 5 weeks).

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

I am pregnant through IVF. Please review my fifth week scan.

Query: Hello doctor, I need advice on the week five ultrasound for IVF pregnancy. hCG has been doubling appropriately.  Read Full »


Dr. Chitrangada Jitendra

Answer: Hello, Welcome to icliniq.com. The scan (attachment removed to protect patient identity) shows a single intrauterine gestational sac of about four to five weeks. However, the sac is a bit irregular. It could indicate early failure. A follow-up with transvaginal ultrasound is recommended at one-wee...  Read Full »

No gestational sac on ultrasound. Should I abort?

Query: Hello doctor, I had LMP 40 days back and positive pregnancy report but after six weeks, ultrasound mass is there but no gestational sac. The doctor has advised to go for abortion. I am confused. Kindly help. Thank you.  Read Full »


Dr. Uzma Arqam

Answer: Hi, Welcome to icliniq.com. There are many scenarios in addition to normal healthy pregnancy in early pregnancy like missed miscarriage (baby died or did not get heart beat), ectopic pregnancy (pregnancy growth outside normal location in female body where it is harmful to both mother and developin...  Read Full »

Is my pregnancy safe if the fetal pole is missing but the yolk sac and gestational sac are present?

Query: Hello doctor,The yolk sac and gestational sac are present in transvaginal sonography, but the fetal pole is missing. I am experiencing pregnancy-like symptoms. Is my pregnancy safe? I had severe cramps two weeks ago and visited the doctor. She denied the pregnancy. Last week, the pregnancy was confi...  Read Full »


Dr. Sanap Sneha Umrao

Answer: Hello,Welcome to icliniq.com.I understand your concern. In early pregnancy, locating the fetal pole and detecting a heartbeat can sometimes be difficult. This is often considered a technical error. Therefore, we usually suggest repeating the scan after two weeks. Right now, there is no need to worry...  Read Full »

I am five weeks pregnant, and the embryo was not seen on the scan. Why?

Query: Hello doctor, I am 29 years old. My last period was about two months back, and I had the bleeding for three days. I found out that I was pregnant about four weeks back. I had an ultrasound scan vaginally two days back, and the doctor did not find a fetus. She just found that I was five weeks and one...  Read Full »


Dr. Mavani Jimesh Himatbhai

Answer: Hi, Welcome to icliniq.com. If she found that you are five plus one weeks pregnant, then that means she has found the gestational sac with some fetal tissue but no cardiac activity. I have to see the sonography report to comment on it. Usually, around four to five weeks, the fetal poles can be ...  Read Full »

How long should I wait before terminating the pregnancy for a blighted ovum?

Query: Hi doctor, I am 7 weeks pregnant according to my last LMP. I got a scan on the sixth of this month, which showed 5 weeks and 5 days pregnancy, gestational sac 8.5mm, no fetus pole, and yolk sac. My doctor said we will repeat the scan after a week and will terminate the pregnancy. This is my second ...  Read Full »


Dr. Balakrishnan R

Answer: Hi, Welcome to icliniq.com. I am sorry for the previous loss. This time again it does not look very promising. Usually, by six weeks of pregnancy, fetal heart beat should be seen on the scan. Either the baby is not yet 6 weeks, so what the doctor said is right, you wait for a week. If the baby is h...  Read Full »

Can I travel with little bleeding from a thick endometrium?

Query: Hello doctor, I took a home pregnancy test 44 days after my last LMP. I underwent my pelvic scan today and it says I have no gestational sac and have a thick endometrium. I have very mild bleeding for the past two days and slight press on my right lower abdomen. My doctor has suggested me to take hC...  Read Full »


Dr. Balakrishnan R

Answer: Hello, Welcome to icliniq.com. You can definitely take a long flight. What you had was a biochemical pregnancy meaning pregnancy hormones only in blood and urine and not on the scan. Urine pregnancy is positive when the blood level of beta hCG (human chorionic gonadotropin) hormone is 25 IU/mL. ...  Read Full »

I had a chemical pregnancy last month. Is it normal to only see the gestational sac?

Query: Hello doctor,I had a chemical pregnancy last month. My hCG is 17070 mIU/mL, but there is only a sac visible so far. I believe I am about five to six weeks pregnant, but the doctor is unsure. We only saw a gestational sac this week. What could this be? Please help.Thank you.  Read Full »


Dr. Sanap Sneha Umrao

Answer: Hello,Welcome to icliniq.com.I read your query and understand your concern. According to the hCG (human chorionic gonadotropin) value, the pregnancy is around five to six weeks. At this stage, it might be difficult to see the sac and locate the heartbeat, and it is fine to consider it as a technical...  Read Full »

Will an ultrasound show embryo in six weeks of pregnancy?

Query: Hello doctor, Yesterday, I went to my gynecologist for the first time after my pregnancy test came out positive. She did the ultrasound, and she said that the baby is not growing because the sac measures 9 mm and it is too small. Is this correct?  Read Full »


Dr. Lorena Zijaj

Answer: Hello, Welcome to icliniq.com. When was the first day of your last menstruation? I saw the ultrasound, and it seems to be a normal gestation intrauterine sac. Anyway, from the photo, I did not see the embryo (attachment removed to protect patient identity). We have to calculate the exact gestation...  Read Full »

What does irregular gestational sac in ultrasound mean?

Query: Hello doctor, My 8 weeks ultrasound showed an irregular gestational sack. It is mostly round but sort of pointed in one location. What does this mean? Fetal pole 158, measuring 8 weeks and 1 day gestational age. Please explain.  Read Full »


Dr. Mavani Jimesh Himatbhai

Answer: Hi, Welcome to icliniq.com. If fetal cardiac activity is present and pregnancy is 8 weeks on ultrasound. If you do not have any pain or bleeding per vaginal than there is more chance that with medicines pregnancy has more chance for growth. Irregular gestational sac sometimes can be due to uterine...  Read Full »

Why is my gestational age a week more than my last menstrual period?

Query: Hi doctor, I had my last period before 4 weeks 5 days. I confirmed pregnancy by doing a home pregnancy test. When I went to the scan, the doctor told me that the sac measures 0.6 inches and it is 5 weeks 5 days. Why do I have this difference? Is this normal?  Read Full »


Dr. Sravanthi Nuthalapati

Answer: Hi, Welcome to icliniq.com. There is nothing to be worried about this calculation as it is just a machine reading. You can follow the actual date of gestational age calculations. As per your date, your gestational age is 4 weeks 5 days and gestational sac diameter is 17 millimeters. According to t...  Read Full »

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