How much time it will take the approval of I-130

[Vadim Tomashevsky]

We just had an I-130 Interview, how long time we should wait till we will get the answer ? If it's approved or not from the time of the interview?

[tracy ann elson]

Good nite every1: My husband is a green card holder, it been over 30days my i-130 been approve what should we do keep waiting for nvc to contact us, or should we contact them?