To assist in conciving you can start Folic Acid. And to actually known the reasons, why you are not able to convince, you need to visit a gynaecologist, the workup can't be done online.
Hempushpa is an Ayurvedic tonic, no comments there from an alleoapathy perspective.
What is the value for
AMH? Having high shouldn't be causing trouble in conceiving but still need to know the test results n AMH value.
When you say 'important days' I am assuming, you know your ovulation well.
Irregularity of periods can be as easily be induced as by having stress of not being able to convince. But still a lot of other possibilities need to be ruled out.
Follow a proper diet plan, adopt healthy lifestyle, go for morning walk/run, do yoga, and most importantly visit a gynaecologist.