https://en.wikipedia.org/wiki/Collagen,_type_III,_alpha_1#/media/File:Protein_COL3A1_PDB_2V53.png Day 52 has 34 protein-coding genes (browser view). Two are collagen genes, including the gene COL3A1 which encodes collagen type III.
This type of collagen forms reticulin, a meshwork that helps support your internal organs. It also forms granulation tissue at wounds.
Click here to see the sequence of Day 52 with your COL3A1 gene underlined.