I think I would call it, "The Package Deal," which references the agreement he was forced into as well as calling the male bits "a package," and... and... no? Oh, well... what about...
This one only works if your son character is named Max: "Mad Max: Fury Choad"
Or, how about:
"Not Mother of the Year"
"What I Did on My Summer Vacation"
"How to Succeed in Gay Porn Without Really Trying"
"Rimming for No Fun or Profit"
"I Suck at This"
"The Obligation"
I'll be here all week, folks! Tip your waitress!
Note for concerned observers: I'm not ridiculing people; just trying to come up with a clever line. No offense intended!!