Babies will be U.S. 's second set of live - born octuplets , California hospital says . Doctors confirmed two babies , did n't know of eighth until delivery . Two delivered by Caesarean section this morning . The first three to seven days will be critical for the infants , Dr. Mandhir Gupta said . Three require medical assistance ; next seven days will be critical , doctor says .
Babies will be U.S. 's second set of live - born octuplets , California hospital says . Doctors confirmed two babies , did n't know of eighth until delivery . Two delivered by Caesarean section this morning . Three require medical assistance ; next seven days will be critical , doctor says .