Thank you for your question.
Follicular size of 19 mm plus is a good follicular size for potential ovulation in 24- 48 hours. There is no fixed size for ovulation to take place as it is triggered more by the hormonal environment than just follicle size.
Your doctor may request an additional sonography to confirm the follicle has ruptured.
best wishes
Answered2015-10-05 16:59:44
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