When Should Kailyn Lowry and Javi Marroquin Give Baby Isaac a Sibling?

Kailyn Lowry is going to the chapel and she's gonna get married! This blonde bombshell is engaged to her boyfriend of just over a year, Javi Marroquin, and you know what that means. Girlfriend is about to catch a incurable bout of baby fever!

Kailyn already has a son named Isaac (with ex-boyfriend, Jo Rivera), but she's been vocal in the past about wanting more children. "One day, I just want for Isaac to grow up with siblings," she tweeted this past September. "I didn't know mine until I was almost 18. #randomthought."
 
Isaac's already toddling around, so Kailyn better get cracking! Do you think she and Javi should give Isaac a sibling as soon as they get hitched, or should this happy couple have a few years of wedded bliss before they start baby making?

Dish it in the poll, Teen Mom fans!