Rainbow baby

Hi our names are Issac, McKenna and little Arianna. We have been trying for almost 3 years now to have our second child. After doing 2 IUI's I got pregnant, sadly we lost that baby after 9 weeks. We have tired 2 more IUI's with no success. Our sweet little Arianna really wants a baby brother or sister. Anything help. Thank you for helping us get our rainbow baby.