<prompt> Perception of uterine contraction is known as:Chadwik signGoodell signPalmer signHegar sign  <response>: Ans: c Palmer sign Ref: Dutta, 6th ed, p. 66Perception of rhythmic uterine contraction on bimanual examination in pregnancy is Palmer sign. It is done as early as 4-8 weeks. This is one of the signs used to diagnose pregnancy. There are various signs and symptoms to detect early pregnancy. These are listed below:Diagnosis of pregnancy1st trimester - Amenorrhoea- Morning sickness- Freq. of micturition- Breast discomfortPlacental signBleeding at the time of next periodHartman signImplantation bleedingJacquemiersignChadwick signBlue hue of vestibule and anterior vaginal wallOsiandersignIncreased pulsation in the lateral fornixGoodell signCervix becomes softPiskacek signDuring lateral implantation one half of the uterus becomes more firm than other halfHegars signOn bimanual palpation upper uterus and cervix are felt separately, due to the softening of lower part of body of uterus.6-10 weeksPalmer signRhythmic uterine contraction during bimanual examination.2nd trimester- Quickening 16-18 wks- Chloasma 20 wks- Breast changes - Secondary areola- Montgomery tubercles -Colostrum - 12 wks- Linea nigra- Striae gravidarum- Ext. ballotment- Int. ballotment 