Hello, moms. Question about movements. The first baby at 17 weeks gave…

Hello, moms. Question about movements. The first baby at 17 weeks gave himself away with strong kicks, straight bumps on the belly were visible, felt it with my hand. At 18 he lay across the uterus and thumped his feet, and from the other side the head protruded. Now the due date is almost 19 weeks (the website doesn't show the correct term) and the little ones have very weak and rare hair. I feel jolts since week 15, occasional pinches inside. There are days when I don't feel anything at all. And this worries me. According to ultrasound at 16 weeks everything was fine with the baby, unlike the son, this little one slept