I believe it’s still the same, but when I went through, your GMAT scores were valid for up to 5 years. I took the test the week after graduation so I was still in the academic mode. Ended up waiting to go back to MBA school for 3 more years.
I echo the thoughts above. Top MBA programs are looking for students with real-world experience who can enrich the discussions in the classroom. Does not make much sense to go straight through from undergrad to MBA.