163 O'Rahilly, Ronan and Muller, Fabiola, Huma n Embryo logy & Teratology. 2nd edition. New York: Wiley-Liss, 1996, pp. 8, 29, cited at: http://www.princeton.edu/prolife/articles/embryoguotes2.html, last visited February 15, 2014. 164 From https://www.philippinemedicalassociation .org/downloads/circular-forms/ Position-Paper-on-the-Republic-Health-Bill-%28Responsible-Parenthood-Bill%29.pdf. last visited March 26, 2014. 165 Comment-In-Intervention, Lagman, rol/o, (G.R. No. 204819), pp. 225-342. 166 Id. 167 Id. 168 See <http://americanpregnancy.org/duringpregnancy/ fetaldevelopment I .htm>, last visited April 7, 2014. 169 Joint Memorandum of the House of Representatives and Respondent- Intervenor Rep. Edee I C. Lagman), Section 40, Rollo, G.R. No. 2048 19, p. 2343. 170 Concurring Opinion (Justice Carpio), p. 3. 171 See TSN, July 9, 2013, p. 100. 172 Separate Opinion (Justice Del Castillo), pp. 17-19; Separate Opinion (Justice Brion), p. 25. 173 Section 3.01 For purposes ofthese Rules, the terms shall be defin ed as fo llows: a) Abortifacient refers to any drug or device that primarily induces abortion or the destruction of a fetus inside the mother's womb or the prevention of the fertil ized ovum to reach and be implanted in the mother's womb upon determination of the Food and Drug Admini stration (F DA) . xxxx j) Contraceptive refers to any safe, legal, effective and scientifically proven modern fam ily planning method, device, or health product, whether natural or artificial, that prevents pregnancy but does not primarily destroy a fertilized ovum or prevent a fertilized ovum from being implanted in the mother's womb in doses of its approved indication as determined by the Food and Drug Administration (FDA) . 174 Separate Opinion (Justice Del Castillo), pp. 17-19; Separate Opinion (Justice Brion), p. 25 . 175 Separate Opinion (Justice Del Castillo), p. 19 .