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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Can I get advice in week 5 scan of IVF pregnancy ?

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


Dr. Chitrangada

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 »

Is abortion necessary if ultrasound shows no gestational sac?

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 »

Can you please help me interpret my nuchal translucency scan report?

Query: Hi doctor, I am 13 weeks pregnant. My nuchal translucency report read 'small linear septum noted along the left lateral aspect of gestational sac synechia, and no fetal part is seen near the septum.' What does this mean? Is it a critical problem? Please help.  Read Full »


Dr. Garima Sawhney

Answer: Hi, Welcome to icliniq.com. This is not inside the fetus. This will not harm the fetus. If this has not troubled your pregnancy till now, it should not trouble you in future also. But, if it troubles, then it might lead to a miscarriage. Nothing can be done for the same at present. Thanks. For mor...  Read Full »

Does absence of fetal heartbeat on ultrasound confirm abortion?

Query: Hello doctor, My wife is six weeks and five days pregnant. In the fourth week, she got pain in the stomach and back. So, there were two ultrasound reports. The first was taken in five weeks and six days where the gestational sac was 2.33 cm with no heartbeats found. The second ultrasound was six w...  Read Full »


Dr. Sravanthi Nuthalapati

Answer: Hello, Welcome to icliniq.com. This looks mostly look like a missed abortion. Usually by six weeks or later, the heartbeat appears on the scan provided. You seem to have regular periods. For more information consult an obstetrician and gynaecologist online --> https://www.icliniq.com/ask-a-d...  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. How are you doing? 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...  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 1.75 centimeters 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 »

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 o...  Read Full »


Dr. Jimesh H. Mavani

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 »

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 ges...  Read Full »

I have a thick endometrium and no gestational sac. Can I be pregnant?

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 suggest...  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. B...  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. Jimesh H. Mavani

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 uterin...  Read Full »

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