Thanks for the query.
Usually after giving the injection it will take around 36 to 40 hours for release of the ovum.
So you better have intercourse for three days from tomorrow.
Possibly that will help in increasing the chances of pregnancy
She can continue the tablets prescribed by the doctor during this period.
If she miss the expected date of periods go for pregnancy test once.
For more details you can ask me through: http://www.healthcaremagic.com/doctors/dr-sree-gouri-sr/63429