Whether it's where to eat for dinner or what to name the baby, the couple can't seem to agree on anything and they are fighting like crazy, says The National Enquirer.  

Jamie wants to name the baby baby girl “Cailynn” (pronounced Kay-Lynn) and Casey wants “Cassie,” a derivative of his name, according to an insider. 

“Jamie Lynn is living in a state of fear over not knowing what to expect after she becomes a mother, but luckily she has her mom to lean on for support,” continued the insider. “Still, when Casey doesn’t give Jamie Lynn her way for even simple things like where to eat out, she starts crying and shouting at him, and it almost always turns into a war of words. Their ongoing battles have taken their toll on Jamie Lynn and have pushed her to a near-breaking point.”

Jamie Lynn’s most recent wave of fighting with Casey, 19, comes just after the two sealed the deal on a country home they’ll share with their new arrival. But right now, they can’t even agree on a wedding date.

“Casey wants to marry Jamie Lynn before the baby is born so he can have some control over the rights to the baby’s first photos that will be sold. He wants to be in on any money deals that are made by Jamie Lynn and her mom,” said the source.