Really want some advice here, apologies for the long post.
So, my little girl is 10 months old now and has always been a bit up and down with her sleep, sometimes sleeping through and sometimes waking for hours in the middle of the night. We have had months where she's settled fine in her cot but more recently she's been in the bed with us because of teething. Not a problem.
On New Years Day she had the tooth to the left side of her upper left front tooth erupt then the upper left front tooth erupt the day after. We were expecting it as she was really suffering with teething over the christmas period and would sleep from about 9pm to midnight then be up crying and fussing at her mouth until finally falling asleep again at about 5am. Not great, but we managed and found that co sleeping helped a bit. On Boxing day, my parents and sister were staying and my little one didn't nap all day because she was excited. She fell asleep at about 7pm but woke again at 9pm crying, my partner picked her up and she fell asleep on him pretty quickly which is normal for her when shes teething.
Ar this point, my mum insisted we put her back down because 'she shouldn't be sleeping on you, it's bad for her'. My partner and I dont agree with this but my mum has been criticising our co sleeping for months, telling us we need to leave her crying etc and didnt believe/accept that the crying it out method simply isnt for us. We put her down, and sure enough she was crying as soon as she touched the mattress. This is pretty standard when shes teething, she gets pretty clingy and generally seems to need the comfort of being held more which we prefer to giving calpol. I picked her back up and soon enough she was asleep again.
At this point, my mum asked to try and settle her to sleep in her cot, telling us we needed to let her cry it out and it was bad for her to not sleep in her cot. We reluctantly agreed and my mum took her upstairs. Within seconds, my little one was crying so I took a bottle of milk up for my mum to help soothe her and left her with my little girl gradually calming in her arms, gently rocking her. All fine. Within minutes, the crying started again and gradually got worse until my little girl was shrieking high pitched in between cries, clearly very distressed. My partner and I found this very difficult as we are quite laid back people and really dont like the idea of leaving our baby to cry herself to sleep, particularly as she has started getting separation anxiety and often cries and gets very clingy when one of us gets our coat on ready to go to work or sometimes even when we leave the room.
After about 10 minutes of this crying, I went up to check on my very distressed daughter and my mum was sat outside the room, smiling and saying she was 'putting it on' etc, hadn't even offered her the milk I brought up. This annoyed me a bit as I know my daughter and can tell when shes crying to get attention when when shes crying because shes genuinely distressed but I agreed to let my mum continue for a little longer and went back to my partner. 20 minutes later we couldn't stand it any more and went up, said it clearly wasnt working and then spent 30 minutes trying to calm our little girl down. She was very upset and clingy and didnt want cuddles with my mum for the rest of the evening.
She has since been sleeping in our bed because her sleep has been particularly bad thanks to teething. My issue is that I have tried to put her in her cot a few times now, sometimes for a nap and others just to play for 5 minutes while I get dressed etc and every time I take her near it she instantly cries, shrieks and absolutely hates it. She has never been this bad before, at her worst maybe ten minutes settled in the cot before crying, but I cant even put her in it without her getting very distressed and taking a long time to calm down afterwards. She genuinely seems quite upset by the cot but will happily sleep if we put her down in our bed or snuggled on a blanket on the rug. I'm worried that she is scared of being left again and dont know how to help her relax and feel comfortable enough to sleep in her cot again. Had anyone else experienced anything like this?
I'm meant to be taking my partner to london overnight for his birthday in march and had initially arranged for my mum to baby sit but she has told us that she 'wont have any of that nonesense' when she looks after our little girl and will leave her crying all night if she has to. My partner and I feel really uncomfortable about it but my dad and his mum wont be around to baby sit instead so I'm hoping we can get her comfortable enough to sleep in her cot by then, I just really dont know how to go about it. She seems terrified of it.