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5.3 weeks: 1.2 cm gestational sac should correspond to a 5.3 week gestation. ...Read more
? Dating Criteria: 4mm is more common for about 4'6 to 5' but could be normal at 5'4. It's certainly not far off. The ? Though is how were the dates defined and how accurate are they? Only time will tell. Know it's hard to wait. Best of luck. ...Read more
Mean sac diameter: The msd is one measurement used to estimate gestational age. The crown rump length is more accurate once a fetal pole is visible. General rule of thumb with msd is to add 30 days to the # of mm's. A sac of 4 mm would, therefore, suggest age of 34 days or approximately 4 weeks 6 days. You may just be earlier than you think, which happens quite often. ...Read moreSee 2 more doctor answers
Estimation of Dates: I am soryy to hear that you have had a miscarridge. The best estimation of dates is obtained from the time of last menstral period. The size of the gestational sack would not give us any accurate information of dates, but a small sack would be unlikely to be more than a few weeks old. ...Read moreSee 2 more doctor answers
Possible miscarriage: Rechecking, HCG levels, and sonograms may help get answers. ...Read more
Gestational sac size: What we should see at 7.5 weeks is a developing fetus with cardiac activity and a crown-rump length consistent with the menstrual cycle or fertility treatments. This is more important than the actual sac size. If the heartbeat was seen then there is a viable pregnancy. ...Read more
A gestational sac measuring 12.37mm is I how many weeks approximately? I thought I was 5 weeks 2 days.
Patience is Key: It is best to calculate your pregnancy age by measuring the crown rump length which can be done in 2 more weeks after the embryo and heart beat are seen. Measuring Gestational sac is not that accurate for dating a pregnancy. So, please see your doctor in 2 weeks. Take Care. ...Read more
Is a 15mm irregular shaped empty gestational sac at 4 weeks bad? Can the sac become normal with time? Is something wrong?
Last week u/s showed gestational sac of 4 CMS and this week 3.4 CMS. I am 9 week 1 day. how can gestational sac decreased in size?
Lack of fluid/growth: Gestational sacs can decrease week to week when there is a lack of continued fetal development or amniotic fluid is being lost. ...Read more
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