Trying to conceive at 40 FTM

I’ve recently got married and due to my age, we have been trying to conceive. My husband is 8 years younger than me. We were lucky in a way as it didn’t take us long to conceive but we lost our first bb at 7 weeks. Thereafter it took us another 4 months to conceive again. Sadly we lost the bb again at 8 weeks. I am devastated and am doing different tests to try and find out the root cause. I would like to know if there are mummies out there who has been in my situation and successfully gave birth to a healthy baby ?