Twin sister thinks I'm going to die

Gwen • Had my sweet rainbow baby girl on April 3, 2017! 👶🏻🚼🍼 So incredibly blessed. ❤️
I told my twin sister that my husband and I are trying for a baby and she's all concerned thinking I will die if I got pregnant. I'm 4'11 and 115 pounds. I've recently gained weight from stress of just getting married and buying our house and his 5 year old daughter and what not. She's thinking I gained weight in her words to "prepare to get pregnant" lmao.