pregnant

and have a 1year old.. im 25weeks pregnant with my 3rd lost my 2nd around 17weeks.. i am a stay home mom its not easy ..my husband works i usually dont tell him to help mee but it bothers me when he goes out for hours with friends and when i ask him to watch our son for 30mins so i can just relax or lay down he goes no im tired this is makin me mad but if his friend called he gets up and goes.. am i in the wrong?? or should i speak to him about this its hard cus he starts yelling at me that he works and i dont do anything.. (i dont go out or do anything i stay home and take care of my son and clean up and cook)