A nun was walking in the convent

A nun was walking in the convent when one of the old priests noticed she was gaining a little weight.

“Gaining a little weight are we sister Susan?” He asked.

“No, Father. Just a little gas,” Sister Susan explained.

A month or so later the old priest noticed that she had gained even more weight.

“Gaining some weight are we Sister Susan?” he asked again.

“Oh no, Father. Just a little gas,” she replied again.

A couple of months later the priest noticed Sister Susan pushing a baby carriage around the convent.

He leaned over and looked in the carriage and said,

“Cute little fart.”