In Charaka's description of fetal development:
- Second month foetus (A) corresponds to Ghana Sanjayate (IV), which refers to the development of solid tissues and structures in the fetus during the second month.
- Third month foetus (B) corresponds to Development of all Indriya and organs (I), as it marks the formation of sensory organs and the beginning of functional development of the fetus.
- Fifth month foetus (C) corresponds to Mamsashonita Upachaya (II), which refers to the development and accumulation of flesh and blood in the fetus during the fifth month.
- Sixth month foetus (D) corresponds to Bala Varna Upachaya (III), referring to the improvement in the color and strength of the fetus during the sixth month.
Thus, the correct matching is (A)
-(IV), (B)
-(I), (C)
-(II), (D)
-(III).