Worried FTM autism

[WorriedFTM95]

Hi to whoever is reading this and thank you in advance for taking the time to reply 😌
I’m a FTM to a beautiful little girl who is now 3.5 months old.
I seem to be getting myself into a mess lately and overthinking which is now really getting me down.
I have 2 brother on the spectrum. One has Aspergers, which is verrry mild to the point you wouldn’t even think he had it and my other brother is higher on the spectrum. I don’t believe any one else in my family has autism.
Whilst I was pregnant, I found out that I could have a test called “fragile x” which I did, and the results came back negative.
I find myself constantly searching online for autism signs in infants.
I love my brothers and would not change them for the world but Ive how hard it was for my mother and now I keep watching every move my baby is doing which is driving me insane, for example, on her jumperoo she likes to spin the ball but also likes to pull on a long, noisy rattle but I will focus on the spinning the ball as I heard autistic babies like to spin things. Also, I am constantly watching her eye contact, if she looks away from me I start to over think and get upset.
She is hitting all her milestones so far which is great.
I would like to hear from parents with children with autism and NT. what was your autistic child like as a baby? Have you got a NT child who has sibling/s with autism who have gone on to have NT children? When did you first have an idea your baby was autistic? What signs were there?
Thank you for reading and look forward to some responses! 😌😌

She's 3.5 months! She's supposed to be obsessed with spinning toys. If she reaches 3.5 years old and that's all she wants to do then that may be an issue but right now she will mostly be sensory focussed so anything like that is what she's likely to enjoy and what will help her grow and develop. She's far too young to know whether she's going to be on the spectrum or not. The bare minimum age for recognising signs is around 14MO and even then displaying traits of ASD is still more likely to be a developmental phase rather than emerging autism. Please just try and enjoy your baby. Play lots of games, give lots of cuddles/kisses/baby massagjng and talk to her lots and there's every chance she'll develop entirely normally and nothing you've said makes me suspicious that she won't. Look after yourself as well. Xx

I know she's very young and I may be overreacting and I apologise if I may have offended anybody but it's just that I am a young mom and have never really had any advice from my mom in relation to my brothers diagnosis'.

You haven't been offensive at all and I can totally appreciate why you would be concerned. I would just hate for you to look back on this very short time that your baby is at such a precious age and regret that you didn't just enjoy it It's simply far too young one way or the other to know what her personality and abilities are going to be. My LO was adopted at 9MO but her foster parents report that she was really placid almost worryingly so until at about 4MO when it was like a light switched on and she was suddenly into everything. She's a little firecracker now at age 2, never shuts up and plays really well with anything from jigsaws to climbing frames to dolls. Just enjoy your baby is all I'm saying. I promise you'll love her and be proud of her however her abilities and strengths emerge xx