Jenelle Evans is keeping her one-year-old son, Kaiser, from seeing his father.

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Months after Evans split from Nathan Griffith, her former fiance, the Teen Mom 2 star has decided to ban him from seeing their child.

"I told him, 'If you want to see Kaiser ever since you took him to Boston without telling me, you can file for visitation,'" Evans told Radar Online on Thursday. "Well he still has yet to do that."

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According to Evans, she feels her ex-fiance may keep the child if she allows him to spend any time with him.

"He has been asking me, but then I'm like, 'If I give him Kaiser, then he can take off with him,'" she explained. "And then when will I ever get him back? It just scares me."

Also an issue for Evans is the fact that Griffith reportedly made fans accusations about her to Child Protective Services earlier this month.

"He made all these accusations saying that I'm taking Xanax and that I'm drinking every night and I'm partying and stuff," Evans said.

Meanwhile, Kaiser has been spending plenty of time with Evans' new boyfriend, David Eason, who recently traveled to NYC with Evans and her child for a short vacation.

Jenelle Evans and the cast of Teen Mom 2, including Kailyn Lowry, Leah Messer and Chelsea Houska, are currently in production on season seven.

Tags: Jenelle Evans Teen Mom 2 MTV Reality TV david eason Nathan Griffith