1. Transient Osteoporosis

2.  Transient osteoporosis of the hip can occur during pregnancy, although the incidence is fairly low. It is self-limiting and reversible.

3. Causes  Not well known  Hormonal  Stress-induced  Poor collagen synthesis

4. Signs and Symptoms  Progressive hip pain  Referred to the lateral thigh  Pain develops shortly before or during the last trimester  Aggravated by weight bearing  Pain subsides after delivery  Radiograph appearance returns to normal within several months after delivery

5. PT Implications  No protocol has been standardized due to lack of knowledge about the cause, but conservative care of possible fracture is indicated.

6. References  Goodman, Catherine Cavallaro and Snyder, Teresa E. Kelly. Differential Diagnosis for Physical Therapists: Screening for Referral. 2007 ed. Vol. 4th Edition. St. Louis, Missouri: Saunders Elsevier, 2007. Print.  Keriakos, R, Bhatta, SR, Morris, F, Mason, S, and Buckley, S. Pelvic Girdle Pain During Pregnancy and Puerperium. J Obstet Gynaecol 31.7 (2011): 572-80. Print.