Hello. I wanted to know what could be the cause of increased toxemia? …

Hello. I wanted to know what could be the cause of increased toxemia? It's about the 12th week, shouldn't toxemia go away gradually, but I, on the contrary, can't eat at all. Everything comes right out immediately. Although the entire trimester was not strong toxemia, I could tear it off in the morning and eat the rest of the day in small portions. What do you think is the reason?