Thanks for writing to us.
The egg size of 18-22mm is considered as good egg size which is likely to rupture succesfully and result in the release of an ovum. A 27MM follicle is too big and is not likely to release an egg.
I hope this information has been both informative and helpful for you.
Dr. Rakhi Tayal
Answered: Tue, 7 Aug 2012
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