Now I know what my family think of me

Cassie • 🎉🎃🍁🍂 blessed with a beautiful 3 year old boy a 2 year girl and a 9 week girl👨‍👩‍👧‍👦
So I have 2 beautiful children. A boy who is 1 nearly 2 October 14th 17 and my daughter who will be 1 October 7th 17. I recently have been having thoughts of what it would be like to have another baby in our lives. Yes it would be stressful and more costly but you have a baby for the joy of having a baby to fill your family and to love and treasure. But recently my in-laws family don't want to see me or my partner have another baby because they think 2 is enough and that if we have a 3rd then they think that child will be left out. My family have just told me that they think I will not cope and that because I already have a boy and a girl then why is there a need to have any more. Bearing in mind I have 2 sisters younger than me. So which made me think that ok so why did my mother keep having kids then and have 3 all together. She's also miscarried 2 times and aborted once Aswel. I am against abortion as it is killing human life whether that baby has a choice or not to live or die, I just don't find it fair. So now I'm faced with the feelings coming across to me that I cannot get pregnant anymore because both my families don't or wouldn't like to see me pregnant again or the fact of the 3rd child apparently being left out. My children are treated fairly as much as I can give them though the age difference one will have something while the other can't. I just don't see what the problem is.