Does susten 200 tablet ( vaginal) delay periods ?

Hi .. I did <a href="https://glowing.com/glow-fertility-program">IUI</a> this month and doctor suggested to take susten 200 vaginal tablet after <a href="https://glowing.com/glow-fertility-program">IUI</a> for 20 days ..Mine is regular cycle and missed my period for 3 days ..took pregnancy test and it's negative.. just wanted to know whether susten 200 mg tablet can delay periods ?