I'm also very tiny petite & only 4'11 Lol this is my second pregnancy Buh will be my first baby I had my first @ 20weeks I had miscarried tho I haven't felt any stretching pain either yet which I'm Waitinq for Lol & I feel the pain on my left side kinda on my buttcheek but not on it it feels so weird
If your a ftm , it could be your ligiments