Yes, all 3 foals I gave enemas to but that was just to help them along and I did them shortly after they were born. I used childrens fleet...not even 1/2 bottle and like you I am/was nervous about hurting my foal. I hope someone w/more experience comes to help you but if it were me I think as long as my vet was called I'd just wait till a.m. I did have to gently pull poops that were a little stuck with my filly and like yours ..a few others came out too. Keep a close eye on her ...those little suckers can bounce...she may have dropped it and its hard for you to see them. When things start going wrong or funky with the foals, for me, I like to start a time line and write things down so that when I do speak to vet I can give him better info than just babbling to him.
4 am gave panacure x amt
6;30 foal tried to poop
6;45 straining no poop
6;30 temp...
7;00 straining still
7;30 napping..........I know this might seem silly to the pros but its the only way I can remember when the vet finally arrives
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Is she still strainig to poop...have you seen her pee?
Is she still straining