I think if it’s going to give you some comfort and reassurance by all means go ahead. However, I think it’s a bit early. It took me 3 cycles to conceive before my CP, and then 2 more cycles to conceive again (hoping this sticks!). Keep in mind I’m also 4 years younger and no health issues whatsoever. I was freaking out a bit too when I didn’t conceive in cycle 4, after my CP. But when I did a little experiment by rolling a 4 sided dice, repeated 10 times, I found that I would have about a 60% chance of conceiving again within 3 months and 90% chance of conceiving before 12 months TTC (so within 9 more months) and it made me feel a little bit better. You were very lucky to be a first-time unicorn twice so law of averages, you were bound to take a bit longer to get pregnant the 3rd time.