Here's a pic from Lady and Peebles. I garruntee that someone has already noticed this, but wanted to see :P Count the smaller dots, and there's the amount of Rainicorn-pupsters that Lady may or may not be preggers with. I count 5. Also, I guess that if you want then you can also predict what will happen to them. Thanks for viewing! P.S. I know that this post is a bit pointless since the episode's been out for a while, but I got bored and saw the episode on Youtube, so I thought, "Hey, why the heck not?" And here we are :P
S4e19 HeartMonitor

Here's the pic :P