Eating too many carbs can increase fat deposition. Cutting carbs (not calories) and increasing fat (including saturated fat) to feel satiated is effective for many in their weight loss and improves health (blood pressure, triglycerides, HDL, etc). Eric Westman, Jeff Volek, Gary Taubes, Sally Fallon, Peter Attia, Stephen Phinney, Zoe Harcombe are experts among many others who have brought this to light. Also, Banting from the 1800's, Richard Mackarness (1958), Walter L Voegtlin (1975), Stefansson, explorer in the Arctic, Blake Donaldson.
Female hormones + less testosterone will definitely increase weight gain...and cellulite.