As long as it's still active (SG is dropping) you don't have to worry too much about a little splashing, and you'll find that mead is far more resilient to both infections and oxidation than beers are, returning your sample's fine as long as you sanitized everything that comes into contact with your must... Welcome to the forum!
"The main ingredient needed is 'time' followed closely by 'patience'." - The Bishop 2013
"When you consider that laziness and procrastination are the fundamentals of great mead, it is a miracle that the mazer cup happens." Medsen Fey, 2014
"Sure it can be done. I've never heard of it, but I do things I've never heard if all the time. That is the beauty of being a brewer!" - Loveofrose, 2014
"I tend to....um, er, experiment, and go outside the box. Sometimes outside the whole department store." - Ebonhawk, 2014