Letrozole cycle with hcg 5000 iu injection

Agalya

Am in letrozole 2.5mg cycle. On cd 10 scan I had one dominant follicle of 15*11 mm in left ovary with ET 6mm. on cd 12 scan I had follicle of 16*13mm in left ovary and one more follicle of 10*10mm in right ovary with ET 6mm. Dr gave me hcg 5000 iu injection for ET build up. Am doing good.. This is my first medicated cycle. Pls guide