what size follicle release egg
The lh surge finishes the egg maturity and causes the follicular sac to burst and the egg released. The follicular sac can measure around 20 to 29 mm at ovulation. Natural cycles (without fertility meds) tend to release eggs at a smaller size (22-24 mm).RE's try to mimic that with their IVF patients.Clomid causes follicular to grow and release at a larger size (25-29 mm). Follicular grow about 2mm a day.Final size depends on the eggs response to fsh (and other hormones) and it's rate of growth and development. The egg inside the follicular sac it always the same.he follicular sac can measure around 20 to 29 mm at ovulation. Natural cycles (without fertility meds) tend to release eggs at a smaller size (22-24 mm). RE's try to mimic that with their IVF patients.