Wrist and Ankle Acupuncture is safe during pregnancy?

STUDY: no side effects in 417 pregnant women treated with acupuncture in a total of 3152 treatments.
Kvorning Ternov et al. Pain Medicine 2001;

Another study on low back pain in pregnancy, use points prohibited by Chinese tradition, and is not reported any side effects. Obstetrics et Gynecologica Act. 2006, 85:12-19
Decrease of pregnant women’s pelvic pain after acupuncture: A randomized double-blind controlled study. Irene Lund, Thomas Lundeberg, Lena Lonnberg, Elisabeth Svensson.

Therefore, there is no evidence that lower zone 2 may have a contraindication.