Effect of oral Utrogestan in comparison with Cetrotide on preventing luteinizing hormone surge in IVF cycles: A randomized controlled trial oleh Alieh Ghasemzadeh, Masumeh Dopour Faliz, Laya Farzadi, Nazli Navali, Behzad Bahramzadeh, Arash Fadavi, Parvin Hakimi, Sepideh Tehrani-ghadim, Sedigheh Abdollahi fard, Kobra Hamdi