We are planning for baby nd her last period was 19 aug nd on 3 sept ovulation result was positive which was confirmed by scan by doctor, frm then till now they were no periods we tested many times but result was negative, previously she had pcod problem we took treatment, and from lasy 11 months her periods are regular of 29 days cycle, we are unable to understand wat is going on, Is there chances of pregnancy pls suggested might be the problem.