Having a hard time with my one year old and 6 months i dont even now what to do she hits me & her…

Having a hard time with my one year old and 6 months i dont even now what to do she hits me & her dad , she crys , for everylittle thing , i tell her pick up your toys she trows them ! Its like the most of the time like that when were trying to go to the store shes always crying cuz she dont want to be in her car seat ! Im almost due in 2 and a half weeks and im tired ! Sleepy i just need help !😣😣