What you you are saying, it is unlikely she is pregnant and may have had a delay in her period this month. At the same time, it would not hurt to have her check in with her ob/gyn, if simply to follow up on the yeast and urinary infection.
I hope this is helpful.
Christopher Maloney, Naturopathic Doctor Augusta, Maine www.maloneymedical.com Individualized research available for a fee. Informational only, I cannot treat or diagnose via the web.