You should repost under immigration.
If this answer is helpful, then please mark the helpful button. If this is the best answer, then please indicate it. Thanks. For further information you should see an attorney and discuss the matter completely. If you are in the New York City area, then you can reach me during normal business hours at 718 329 9500 or www.mynewyorkcitylawyer.com.
Call 1-800 number listed on your receipt notice. The I-130 petitions have been approved quickly nowadays, as quickly as 2 months.
If your son is at your home country, you should have asked for consular processing on your I-130 petition. If you have, then the approved petition will be forwarded to national visa center. You will have to pay fees and submit more documents.