Teething Question

Hi just wondering... my son (9 Months) is teething again... BUT he is getting his "next set" of bottom teeth is this normal? He does not have any top teeth yet just the first bottom two. Now he's getting the ones next to them... Just wondering if this is normal or not so much...

About MollyMae
Current: Forest Lake, Minnesota
Birth: December 19
On Moms.com since: Apr 8, 2014
I am currently a SAHM I work for a construction company 2 days a week but get to bring my son with me so that's wonderful. We enjoy being outside, four wheeling, boating, jet skiing. My husband and I have been married since 10/2013. Love being a momma!!!