Go ahead and candle but don’t turn the egg or flip it upright
Keep it in position
When they have internal pip you will see a beak also at the end of the fat end you will see shadowing of the baby
The movement will either be random flickers or up/ down in a pattern like breathing movements
You...
It won’t hurt the egg to candle it
Try not to flip it around but keep it in position how it would to hatch so you don’t confuse the baby
Also check over the whole egg for bruising
I lift it up high so I can look under but not turn it