Mary is on track with the major developmental milestones at this point. Her social skills and responses are excellent and sure sign that she is super-duper intelligent. :) Plus, she rolled over last week for the first time, and as seen in the video below, is now a pro at it!
(here is a link to Mary rolling over in case the embedded video won't work for you)
If you want a good laugh, here is a video of Mary *trying* to roll over.
(And the link in case the embedded video of Mary *trying* won't work)
Here is Mary trying to stay warm while we wait for Dr. Enlow to come in.
And here is Charlotte making a funny face for Mommy's cell phone camera.
Finally, and just for posterities sake, here are the 4-month stats:
13 lb 8 oz and 24 inches long