DISCUSSION
The result of the present study shows that there is statistically signi cant di erences between TUG score among group A, B and C.(Group A- rst week of second month , Group B- rst week of fth month, Group C- rst week of eighth month of pregnancy).
As it is known that there are changes like increase of body mass, change of body mass distribution[1], laxity of ligaments, loosening of joints, stretching of the muscles, which lead to the decrease of musculotendinous strength.(10)
The hormonal changes leading to pregnancy- related Low Back Pain are thought to be due to increased relaxin and estrogen levels. Relaxin is a polypeptide hormone produced by the corpus luteum in the late luteal phase of the menstrual cycle prior to pregnancy.(11) The hormone relaxin has been identi ed as being responsible for allowing