hi Mommy.. u can consult with nurse about this irregular menses. once, I overheard some mommies talk bout this issue while waiting for my turn - monthly check up last few weeks.. the mommy said her nurse suggest her to take some hormones injection to get her menses back to normal.. and to make sure her egg is matured n ready to fertilised as well.. hope that can help u..
For irregular period you are advised to use opk and bbt to track your fertile day. Its help a lot when you try to conceive naturally. Or else, you can refer and get treatment by the doctor.