Legal age by which fetus is capable of independent existence is ?

Ans. is 'd' i.e., 210 days Viability means the physical ability of a foetus to lead a separate existence after bih apa from its mother, by viue of a ceain degree of development. A child is ble after 210 days (7 months) of intrauterine life, and in some cases after 180 days (6 months) but in most of these cases fetus is immature. Full term mature infant show :- Length (crown-heel length) 48-52 cm, head circumference 30-35 cm. Ossification center at lower end of femur (appears at the end of 9 months or just before bih) and Ossification center of cuboid and upper tibia may also present (Note : some ossification centers are also present, but they appear before the attainment of bility so their presence does not have impoance. These are (i) Clavicle, mandible, ribs veebra - at the end of 2nd month, (ii) Calcaneum(os calcis) and manubrium sterni - at the end of 5th month and (iii) Sternum - at the end of 6 month). Other center which appears at attainment of bility is primary ossificaion center of talus which appears at the end of 7th month.