Hi I am 27yr old and I hv irrgular period but past 2 week I feel little sick, I think I might ovulated during 22-28, I am overweight, am I pragnant?

Take preg test. Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.