Hi, I Have Pcod Problem And Taking Treatment Since 3

Hi, I have pcod problem and taking treatment since 3 months, I got follicular study on 11th, 13th day today is my 14th day, doctor asked to go for folllicular today also, my one egg was 17.5 mm so she asked if today it will increase she will give injection to rupture, and my endometrical thickness is also 7.43mm on 13th day. I want to conceive, will that injection will help me, and how should be the process to have intercourse after injection means how many days to conceive soon.
I am taking metformin 500mg twice a day, and prostium Es twice aday