Handling toddler

Hi everyone , im 6 weeks pregnant & i have a 2 YO daughter. She is very clingy to me always want me to carry her everywhere , despite telling her that i having a baby inside my tummy cant carry her …. ( im oso worried that might affect my baby in the tummy) cos im not sure if this counted as heavy or not. Whats worst is she only want me to carry her my MIL or my husband she oso dw. & i m taking care of her myself my husband is working most of the time only 1 day off …. My only rest time is when she go school …. Any mummies having the same problem as me ? How u solve this problem?;) #advicepls