Good Evening, My Sister Is Pregnant And She Due March

Good evening, My sister is pregnant and she due March 11th. She is 19yrs old. She's telling me that when she uses the restroom she feel pressure on scale of 1-10 she says its a she is only 19 weeks. She told me that on Friday she did laundry, and carried the bag up by her self. And has pain when she uses the bath room also. In thank you for your response.