They might be a previous customer, but they are now part of a different segment with a different behavioral and psychological profile, and they have different triggers than they did previously
The study reported similar rate of cesarean delivery (range: 23%52%) and infant birth weights (MD: 93 g, 95% CI: 191 to 5 g), with no significant difference in maternal glycemic control between the treatments.[176] Furthermore, a systemic review and meta-analysis reported no significant difference in terms of glycemic control or pregnancy outcomes between GLIB and insulin when used during pregnancy.[177] Moreover, in a meta-analysis, no significant difference was observed in the rate of neonatal major abnormality or neonatal death among women treated with GLIB-metformin compared with nonexposed women during first trimester
Stress and Cortisol : Chronic stress elevates cortisol levels, which can interfere with GLP-1 sensitivity and metabolic function
ATP-binding cassette transporters, atherosclerosis, and inflammation
The result may be more dramatic than either stressor would cause alone