If you know any exercises to reduce fat as have tgyriod issues its difficult.
The best way for perfect abs is to download and instal our app - https://www.steadyhealth.com/ab-workouts-for-men-and-women. It is specially designed for your needs.
In it you will find descriptions of numerous exercises for abdominal muscles. With every workout you get instructions about reps and sets for intensity levels. If you purchase our premium version, you will get nutrition plan, as well, which can boost your metabolism further.
If you have any other questions, feel free to ask.