DD's been pooping on the potty for over a year now (she started at 10 months) so don't go selling everything! She was completely potty trained for a week at 21 months and then we went out of town and she regressed.
That, of course, doesn't mean you can't start shopping for your ttc though.
Mom of a 7 yr old, 4 yr old, and 1 yr old. Wow. How did that happen?