question 😄

Ok so I work retail & we pretty much do everything, im good & fast at stocking so I work every morning stocking before we open the store & I do a lot of lifting. My question is if I continue to do my job will all the lifting affect the baby? Or since my body is used to it it'll be ok? I'm 6 weeks pregnant & so far I'm feeling great & im still doing my job but my friend/co worker who's also pregnant stopped stocking cuz her back was hurting a lot. Idk what to do 😅