is it wrong of me?

I'll be 36 weeks tomorrow. My husband is currently deployed and trying to come home on leave for the birth(he'll find out In a few days to see if his command approves or denies his request) but my MiL wants to come out and stay with me for 4 weeks(they live 20+hours away). I already told her a few of the wives have it arranged they would drive me to the hospital and stay with me because I DO NOT want my MiL in the room. Just the stress she put on me when hubby and I closed on our house had me in tears and they were here less than a week..and I'm a lot more emotional now. I don't want visitors since more than likely I'll be out in a few days I want to bond with my baby and learn how to breastfeed since this will be our first baby,  but beings DH is gone & if he doesn't get to come home, I would rather have the 2 wives there. I don't want to announce the birth until after he's born and we've been home for a few days so I can get settled in. I get being "mom & dad" until DH comes back is going to be tough, and she wants to help out but I feel she has no faith in me parenting if she feels she needs to be here for a month especially the way she's been telling DH and I how we need to do things for the baby and what we wanted was wrong. So I guess my question is did anyone delay announcing the birth until after they were home from the hospital to family members? And is it wrong of me to want to do so? 

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