Hello. I'm almost 33 weeks pregnant, expecting my second child. My fi…

Hello. I'm almost 33 weeks pregnant, expecting my second child. My first pregnancy went very smoothly, even not knowing what training contractions and toxemia were (first boy). Now I'm carrying a girl and have several questions that worry me a lot. Doctors say different things everywhere, it's unclear who to believe. 1. After 10 minutes of walking or light cleaning, the belly gets hard and pulls down in the lower abdomen, what could this be? (training contractions or uterine descent)? 2. The baby has started kicking very strongly at 31 weeks, so much that it feels like she's tearing my skin from inside. Is this normal? And can it be because