A positive (definite) sign of pregnancy is:

Correct option is C

Ans. (c)
Sol. Visualization of the fetus by ultrasound is considered a positive (definite) sign of pregnancy. Positive signs are those that confirm the presence of a fetus, typically observed directly by a healthcare provider through diagnostic tools.
Explanation of each option:
· (a) Amenorrhea – A presumptive sign, not conclusive; can occur for other reasons.
· (b) Quickening – A subjective feeling by the mother; also a presumptive sign.
· (c) Visualization of fetus by ultrasound – Correct answer. Direct evidence of pregnancy.
· (d) Uterine enlargement – A probable sign, can occur in other conditions like tumors or fibroids.