Hallo Doctor. My LMP Was On 10th September. I Have

Hallo doctor. My LMP was on 10th September. I have PCO problem and my cycle is not regular. I waited till 19th October (38th day) but yet to get my period and pregnancy test came negative. Then my gyno asked me to take a pelvic scan and they found there is an egg ruptured on left ovary. Immediately on the same I have done Iui. Today is 7th day post iui. Can you pls advice when I shd take the pregnancy test. I have abdominal pain on and off