Hello doctor , i delivered a baby boy nov 17 2010 after 50days i got mensus ,after tht two months mensus my perods r regular ie for 20days, after tht apr my periods was irregular ,i dnt get my periods,my husband also in abroad since my child birth soo i dnt hve any doubt of this part. before preganancy also my periods was regular of 30 days. please help mee out yy my periods was irregular?????