Dream come true of becoming pregnant for my birthday

My name is Maricela I am 44 years old and been married to my husband for 7 years. It is very hard for me to get pregnant because of my age. Our dream is to become parents and complete our lives. We are a very hard working couple but fertility treatments are super expensive. I would love to be able to give my husband a child. It's something that depresses me everyday and sometimes worries me that some day he will get disappointed by me not being able to give him a child. Please help me with my dream of having a baby.