For a woman whose period is late and would like to help it get going, the two best modalities I have found are acupuncture and abdominal massage.
Many women I have worked on over the years often get their period within two or three days following the treatment. I had a woman text me 30 minutes after her appointment and said, “Well, that was quick! My period just arrived!” (She was 5 days past her usual start time)
There can be many reasons why the period is late, but in my clinical experience the primary reason is due to stagnation. The menses is not flowing because often the blood and energy of the body is stuck. Therefore, we must move it!
What causes the stagnation? Many factors, but the main ones include stress, suppressed or repressed emotions, cold, and not enough exercise.
First, I usually do lower abdominal massage with warm oil. This helps move the blood in the uterus, unblocks the arteries and blood vessels which pass through the uterus, and releases stuck energy (often due to emotions).
This is followed by acupuncture. I typically do points in the lower abdomen and legs. The most common points I use are Spleen 6, Stomach 36, Kidney 6, Ren 4 and 6, Stomach 25 and 30, and Zi Gong.