Suggest Treatment For Painful Intercourse

Hii I am married for past two and half years.....initial years we didn't try intercourse as I had fear of pain and all....as years passed we realised the need to have intercourse.now for past three months we are trying for intercourse but are unsuccessful..... My husband gets erection and I do spread my legs for successful peneration but how hard he try its not going in.....Dr suggested ky jel ....we tried that too but not much sucess.....Dr have suggested us to use v-two gel if ky jel won't work....kindly suggest..thanks in advance