everyday i feel less pregnant

I am 19+4 but i have so much energy, my sex drive has sky rocketed, and i can fit into my old clothes again. I havent had any cramping or bleeding but it just doesnt feel like theres really a baby there. The only thing that hints to it is the pressure near my jay jay. Idk maybe im just stressed. The baby was fine just a week ago at the gender scan but now idk. Im trying to wait until my anatomy scan next friday without going to the dr. Just want to know if this has happened to anyone before