In absence of any known medical and surgical factors, 30 is a good age to conceive. To be on safer side; test for
AMH levels. There are first as well as second trimester screening tests to screen for chromosomal abnormalities including Down's syndrome.
Next Steps
Have a detailed preconceptional evaluation done.
Health Tips
Start on Folic Acid supplement if you are planning for pregnancy. Don't be stressed out about planning for pregnancy at 30. It's an optimal age