Treatment failure was defined as no live birth due to any of the
following: conception failure, miscarriage, termination, and stillbirth.
Neonatal complications were defined as any of the following: jaundice,
respiratory distress, neonatal hospitalization > 3 days, and neonatal
intensive care unit (NICU) admission. When a multiple birth occurred, a neonatal
complication was defined to be present if any of the infants experienced it.