TT #4 · Parshas Tazria · Aliyah 1 · Passuk 2
English: Speak to the Israelite people thus: When a woman at childbirth bears a male, she shall be impure seven days; she shall be impure as at the time of her condition of menstrual separation.
Chabad.org — Chumash, English translation + Rashi for Vayikra 12:2
Torah Temimah cites Niddah 40a.
English: “If a woman conceives and gives birth to a male” means that she must give birth through the place where she conceives.
Limitation by textual precision
The wording limits the childbirth laws in this context to a natural birth through the birth canal, excluding a caesarean birth.