John Dummelow's Commentary on the Bible - Leviticus 12:1-8
Uncleanness connected with ChildbirthThe functions of reproduction are in early stages of religion regarded with superstitious dread. The enactments in this chapter and the related regulations in Leviticus 15 had an important place in teaching the lesson of purity in sexual relationships.3. Cp. Genesis 17:10-14. The purifications prescribed in this chapter are for the mother alone and not for the child, who does not seem to have been regarded as unclean, unless the rite of circumcision involved... read more
Expository Notes of Dr. Thomas Constable - Leviticus 12:1-8
2. Uncleanness due to childbirth ch. 12The laws of purification begun in this chapter connect in principle with the preceding ones that deal with unclean food and animals. The defilement dealt with in this group of laws (chs. 12-15) proceeded from the human body. Pollution could come from within the Israelite as well as from his or her environment. Contamination resulted in separation from the fellowship of the sanctuary and or fellow Israelites.". . . at first sight no reason or rationale is... read more