Girls, hello everyone! I've been feeling bad for two days now, as I fe…

Girls, hello everyone! I've been feeling bad for two days now, as I feel the baby's movements. I've felt them since week 18 and they were more active than now, today is week 20 and 1 day. A week ago, there was a screening with the second position, legs down, and low placenta at 31 mm. Now I'm worried because the movements are weak, I've felt them for two days, even doubting if it's the movements or the intestines:) On ultrasound due to low placenta only on week 25 going. Has anyone had this? Maybe the baby's mood changed, or maybe because I'm actively doing my days, as