Tafsir of Maryam 19:8

His amazement after the acceptance of His Supplication Allah tells:

قال رب أنى يكون لي غﻼم وكانت امرأتي عاقرا

وقد بلغت من الكبر عتيا

He (Zakariyya) said: "My Lord! How can I have a son, when my wife is barren, and I have reached the extreme old age.'' Zakariyya was amazed when his supplication was answered and he was given the good news of a son. He became extremely overjoyed and asked how this child would be born to him, and in what manner he would come. This was particularly amazing because his wife was an old woman who was barren and had not given birth to any children in her entire life. Even Zakariyya himself had become old and advanced in years, his bones had become feeble and thin, and he had no potent semen or vigor for sexual intercourse. The Answer of the Angel