What is Osiander's sign?

Ans: A (Pulsation in the lateral vaginal fornix) Ref: DC Dutta's Textbook of Obstetrics, 7th ednExplanation:Osiander's sign: Increased pulsation felt through the lateral fornices. Felt at 8th week.Jacquemier's or Chadwick's sign: Dusky hue at the vestibule and the anterior vaginal wall. Visible at 8th week.Goodetl's sign: Cervix becomes soft. Fell at 6th week.Piskacek's sign: Asymmetrical enlargement of the uteni's if there is lateral implantation of the placenta. Fell at 12 weeks.Hegar's sign: Variation in consistency of the uterus at 12 weeks.Palmer's sign: Regular and rhythmic contractions of uterus demonstrated during bimanual examination at 4-8 weeks.