United Kingdom, Feb. 3 -- Peter Andre is "a bit scared" to have a vasectomy.

The 51-year-old pop star father of five welcomed his youngest child - a daughter named Arabella with his wife Emily - last year and he's previously discussed undergoing an operation to bring his baby-making days to an end - but he's now confessed his plans are on hold because he's nervous about going under the knife.

In his latest column for OK! magazine, Peter explained: "Having children is a big decision. We frequently expect the woman to have to find a way and take measures not to become pregnant, but actually I realise that us men have a responsibility too.

"The problem is, like many, I'm a bit scared of having that kind of procedure. I know, call me a wim...