'Conceived' in the Bible

Now after these days, Elizabeth his wife conceived, and hid herself five months, saying,

And behold, Elizabeth, thy kinswoman, she also has conceived a son in her old age, and this is the sixth month to her that was called barren:

And when eight days were fulfilled for circumcising him, his name was called Jesus, which was the name given by the angel before he had been conceived in the womb.

And not only that, but Rebecca having conceived by one, Isaac our father,

then lust, having conceived, gives birth to sin; but sin fully completed brings forth death.