Hi,I'm 30 yr old..I'm on follicular study since 3 cycles...in the last two cycles my follicular ruptured at 23mm on day 15,on it's own but in this cycle today it's 25mm at day 17... Still not rupturing.Whatcan be the cause for dis delay in this cycle...and what r the chances of conception now.Also,if I skip this cycle, what can I do for timely ovulation next cycle