Jo expecting a baby? Me too (4,3,4)

I believe the answer is:

join the club

I'm a little stuck... Click here to teach me more about this clue!

'a baby? me too' is the definition.
I know nothing about this answer so I cannot judge whether this works.

'jo expecting' is the wordplay.
'expecting' becomes 'intheclub' (I've seen this before).
'jo'+'intheclub'='JOIN THE CLUB'

Can you help me to learn more?

(Other definitions for join the club that I've seen before include "Girl's pregnant" , "I have just the same problem!" , "Things are just as bad for me!" , "We're both in that difficult situation!" , "What you do if you sign for United" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.