Feeling drain

Feeling so drain today like weak I am really hoping it's the start of labor I am 36 weeks 2 days I feel like I can't stand up even when i lay down my body feels were out baby is moving and for the pass week feels like he is plusing down also kinda feel like I am leaking not sure if it's just discharge could this be the start of labor I really hope so I see my doctor Wednesday just asking for now