Above all, if baby is not ready to come, nothing will work. But, after week 37/38 you can definitely start stimulating these pressure points to help bring labor, naturally.
LI4: Located in the webbing between the thumb and index finger.
The SP6 point is on the inside of the leg just above the ankle.
BL32 is midway between the lower spine and the dimple of the buttocks. Pressing it can produce a tingling numbness.
People can find BL60 at the top of the Achilles tendon just behind the ankle.