Hello
Its nice that you are planning for pregnancy.please do few investigtion if you are not able to get positive result
For Husband -Semen analysis
For wife- S.
LH,S.
FSH,S.
TSH,
AMH,S ESTRADIOL,and one pelvic USG
If all the tests are normal than you should go to assisted reproducive techniques such as ovulation induction,IUI and last IVF
Thanks