hi doctor,i'm 30 years old,married for 4 years and have 28 months old girl,6 months ago,i removed the loop to get another baby,but no chance,the doctor gave me choriomon shot on my 11th day,and told me 2 have sex the night before it and in the 12 and 13th day..i missed the night before it but now i had it on 12 morning and still 13..when exactly does my ova erupts?is it best in morning or night?