While customs and traditions involving pregnancy vary worldwide, the developmental process is essentially universal. Find out about the science of pregnancy from conception, through the three trimesters, and to labor and delivery. Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #Pregnancy #Educational About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Pregnancy 101 | National Geographic https://youtu.be/XEfnq4Q4bfk National Geographic https://www.youtube.com/natgeo