Work not happy about pregnancy.

I am a care provider for special needs individuals. I have been doing it since I was pretty much 14 years old taking care of my brother, and now 26. I moved away from my family out of state because my husband got a more stable job. 
It took me a little while to find another client, but I was so happy when I found a really great family and a new friend to help become independent. I have been working with them now for over a year, five to six days a week. I leave for work everyday at 5:30a and sometimes do not get off until 5:00p or even 6:00p. I am not complaining, but it came as a shock when I have been for them so often, and they looked very pissed when I told them I was pregnant. My husband and I had been trying for 16 months or so, and I had finally given up that it was not going to happen and I started feeling truly happy for people who were newly expecting and not a pissed little jealous girl. 
I know a little bit about the families past, and that the parents had divorced for many reasons, but a main one that the woman was not able to conceive and had many miscarriages, so they adopted. They have had their adopted daughter for 16 years and have been divorced for 11. I am only saying all of that, because I am making pretty much just making excuses of why they are mad. It's disappointing because I very much saw them all as family, and now they are just pissed that they will have to figure out who is taking her to school and what not when I am on leave. 
It makes me miss my home town so much more where my Momma is that I am so close to :(  I want to hear that people are happy for me. I have always lived my life selflessly, and never took care of my self as much as I should have. I dropped out of college to care for my brother. It is finally MY time and I want people to be on my side. 
I now go to work everyday with a happy smile on my face, and try not to let it bother me, and just look at the bright future.