marriage relationship and compatible child's zodiac sign

My husband is tiger born on 31/08/1986 and I am dragon born on 27/01/1989 we got married on 25/01/2015 in Horse Year. What are our children's compatible zodiac signs according to our signs. Is this year good? Or next fire monkey year is better for? I have my delayed period, if I am pregnant, I will have a sheep kid. Let me know the reading, please. Thank you.