Struggling with emotions

I’m 9 months pp and taking Zoloft and have been for 7 weeks now. I know there is an adjustment period and you have to allow the meds to kick in and I may not have hit that point yet. I’ve been married to my husband for 4 years and we have two beautiful kids. 3 and 9 months. Ever since I got my period back from having my second kid I’ve been dealing with hell. PMS very bad. I never had the issue until now.

Now today I’m on cycle day 3 and I am feeling so depressed. So useless and ugly. I’m questioning whether my husband even loves me. He isn’t doing anything wrong or for me feel this way. How am I supposed to cope with this? I never feel good enough. For anyone. I’ve struggled with this feeling all of my life.