Gary's 'Very Controlling!' Amber Portwood & Andrew Glennon BLAST Shirley Over Co-Parenting

Amber Portwood isn't happy!

In a sneak peek clip for Teen Mom OG, the pregnant reality star revealed how her first baby daddy, Gary Shirley, refused to switch weekends with her to see their daughter, Leah.

Amber explained how difficult co-parenting has gotten with Gary and how people have suggested to take him to court, but that's not an option for her.

Watch the clip above! Teen Mom OG airs Monday nights at 9pm ET, only on MTV!