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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are The Follicle Sizes Of 18mm And 14 Mm Normal For Fertility?

Hi, I had my follicular study on the 12th day. The left ovary follicles measured F1 - 18.4 mm, F2 15.5 mm., The right ovary follicles measured F1 14.1 mm, F2 13.8 mm and the endometrial thickness is 9.4 mm., Please can you let me know if this is normal? also please can you let me know my likely fertile period?
Mon, 15 Sep 2014
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General & Family Physician 's  Response
Hello
The size of follicle should be around 19 to 20 mm on day 14-15 at least to rupture and ENDOMETRIUM thickness must be around 11 mm to conceive.
Usually one follicle dominant and burst and liberate ovum for fertilization on 14th 15th day after 1st day of menstruation cycle (period ) .
In your case the size of dominant follicle is 18.4 mm on 12th day on the left side ovary . So this is approximately the mature size ( may be due to some drugs taken for infertility ) .
Hope I have answered your questions.
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Are The Follicle Sizes Of 18mm And 14 Mm Normal For Fertility?

Hello The size of follicle should be around 19 to 20 mm on day 14-15 at least to rupture and ENDOMETRIUM thickness must be around 11 mm to conceive. Usually one follicle dominant and burst and liberate ovum for fertilization on 14th 15th day after 1st day of menstruation cycle (period ) . In your case the size of dominant follicle is 18.4 mm on 12th day on the left side ovary . So this is approximately the mature size ( may be due to some drugs taken for infertility ) . Hope I have answered your questions.