Depending on how bad it is, it can last up to 3-4 months.
Seam (sewing) In sewing, a seam is the join where two or more layers of fabric, leather, or other materials are held together with stitches. Prior to the invention of the sewing machine, all sewing was done by hand.
Procedure of Fabric Seam Slippage Test. Seam Slippage: Seam slippage is a fabric problem especially for fabrics that contain slippery yarns or that have an open structure or where the number of warp and weft interlacings is low. Such factors mean that one set of yarns may be easily pulled through the other.