My wife is 27 years old ,doctor have priscribed B-Crip 1.25 , and letoval 2.5 from day 3-7 , Tvs results shows rof of 22mm and endo of 9mm on day 9th and on day 14th rof is 24mm and endo 11mm , but the egghas not ruptured . She was given HUCOG 5000 injection on day 9th . What is the reason for egg not rupturing and what is the possible remedy ?