Speak unto the children of Israel, saying, If a woman have conceived seed, and born a man child: then she shall be unclean {a} seven days; according to the days of the separation for her infirmity shall she be unclean.

(a) So that her husband for that time could not have relations with her.Leviticus 12:2 Parallel Commentaries

The Early Years of Jesus
Matt. i. 1 to ii. 23; Luke i. 5 to ii. 52; iii. 23-38 58. It is surprising that within a century of the life of the apostles, Christian imagination could have so completely mistaken the real greatness of Jesus as to let its thirst for wonder fill his early years with scenes in which his conduct is as unlovely as it is shocking. That he who in manhood was "holy, harmless, undefiled, separate from sinners" (Heb. vii. 26), could in youth, in a fit of ill-temper, strike a companion with death and then …
Rush Rhees—The Life of Jesus of Nazareth

Supplementary Note to Chapter ii. The Year of Christ's Birth.
The Christian era commences on the 1st of January of the year 754 of the city of Rome. That our Lord was born about the time stated in the text may appear from the following considerations-- The visit of the wise men to Bethlehem must have taken place a very few days after the birth of Jesus, and before His presentation in the temple. Bethlehem was not the stated residence of Joseph and Mary, either before or after the birth of the child (Luke i. 26, ii. 4, 39; Matt. ii. 2). They were obliged to …
William Dool Killen—The Ancient Church