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Maternal  (Expert Forum)
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Irregular Gestational Sac
Patient medical question and answer from The Maternal and Child Health Forum. Health topic area and articles about newborn care

Irregular Gestational Sac

by Shanon__0, May 19, 1999 12:00AM

Posted by Shannon on May 19, 1999 at 14:44:21
I am 6.5 weeks pregnant and had an ultrasound today after spotting this past week. They found a fetal pole with a heartbeat, but the gestational sac was irregular (not the standard round shape - instead it is almost U shaped). I was told that there is a good chance I could miscarry because of this.
What are the chances of someone with an irregular gestational sac continuing with a regular pregnancy? Are there any causes for this?
Thank you.

Posted by hfhs.md.rcs on May 19, 1999 at 21:40:03
Dear Shannon:
A gestational sac can have a distorted shape if there are irregularities in the shape of the uterine cavity (for example, uterine fibroids) or if there has been compression by an adjacent pregnancy (lost twin) that is not developing, bleeding adjacent to the pregnancy, or if the sac is beginning to collapse because the early placenta is not developing in a normal fashion. The caution that this may be a prelude to miscarriage is appropriate, but only time will answer the question. The observation of a fetal pole with heartbeat is reassuring and carries an high (90%) good outlook for a pregnancy.-
Keywords: irregular-shaped gestational sac
This information is provided for educational purposes and is not a medical consultation. If you have specific questions, please speak with your healthcare provider.


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