Need some advice

Okay, so I am 18 .. 8 weeks and 4 days pregnant (my mother knows I am pregnant by the way) but she told me I need to start working because her doing this on her own won't be easy. So I have a job interview tomorrow to be a front desk staff member at a gym but I don't plan on telling them I'm pregnant until I am about 12 or 14 weeks pregnant (if I do get the job) but one thing I won't be able to do is control my vomiting, or nauseous so i really Dont know what to do or keep this as a secret if I'm going to be sick 😔