Hi I Ama 45yr Old Female, I Have Always Been

hi I ama 45yr old female, I have always been a person who eats well and is reasonably active, ive been suffering from bloating and constipation for the last 2months, it is very uncomfortable and rather painful at times, for an example :I had a movement late last night ,but was very constipated, it relieved the pressure but by 10am today I was bloated and sore and struggling to go, i don't eat junk food, or fatty fried foods, i eat plenty of veges, fruit, drink water, fruit juice, i now only eat fish or chicken. i have never had this issue with constipation, ???