Please help.

Ashley • Wed, Dec 03 • Married trying to conceive baby number four. Hopefully a girl.

My husband and I have been ttc baby number four for a little over two years now. Can anyone please give me any ideas on what to try n what not to. We've never had this problem before. Af is due dec 12. My bday is the 16. Hoping to have a surprise for my bday!!!