Friend not supportive of baby? FTM

I guess this is a rant. FTM, very early in my pregnancy so we haven't told anyone and I'm feeling a little isolated and lonely. Usually, I would have told my best friend by now, but I actually told her that we started trying a while back and she shockingly had a horrible reaction to the news that we were trying, so I don't even want to tell her we're pregnant.

She seemed super shocked (odd, because we're married & have been together for 10 years, and intentionally just bought a house with baby room), went on to say she thought we'd raise our babies together (but she's nowhere near ready to have a baby herself), said that she was sad that I wouldn't be able to be fully present in her engagement/wedding season (she's not even engaged...she's been dating her bf for a month now, so I don't understand why she'd assume I wouldn't be there for her), and said she hopes I still have time for her (even though we usually only see each other once a month or so as it is). She has never been anything but supportive of me in every endeavor - wedding, career, life in general, so this is confusing.

We are the first in our social circle to have a child. Others are single, dating, or planning weddings currently, and we're all late 20's or early 30's. Has anyone else had an odd reaction like this when they've been the first to get pregnant in their social circle?

It's too early to tell everyone else anyways, but based on her reaction to me telling her we were trying, I'm afraid for when the time comes to tell everyone else. I feel like they won't be excited and they'll just see it as a loss of their happy hour friends or something. Odd. I know our families will be ecstatic and I just keep reminding myself of that, at least.