Struggling today 😪

Im a SAHM to a 21 month old and am currently 32 weeks pregnant (not planned for and it's been really draining on me physically and mentally). I'm anaemic, have been going for b12 injections every other day, have weekly counseling for my mental health and also have other health issues. I have no 'village' other than my partner and his parents who have my daughter once a week while I'm at counselling but there have been lots of comments about 'just getting on with it' or 'I didnt need any of this'. My partner works a lot and is on call this weekend, and when he got his call to a job this morning I was instantly filled with anger. I'm exhausted, crying and I know I'm not doing enough for my daughter. She's fed and clean, dont get me wrong. But I know I'm not playing or engaging like I used to/ should be doing. This morning all I've done is put films on while I quietly sob on the sofa. I'm angry at my friends, none of them are checking in or replying to my many messages. I'm angry at my partner for going to work, even though he has to go out. But I'm mainly angry at myself for being in this situation and not planning my life out better and for just being a waste of space and a rubbish Mum. I don't know how I will cope when baby is here along with having a toddler. I don't know what to do, I want to get out of the house but I just can't summon the energy. This has taken over an hour for me to type so I'm sorry if it seems rambling or doesnt make sense. And I dont even know what I'm hoping to achieve from this.