Sentence examples for birth was based on from inspiring English sources

Gestational age at birth was based on last menstrual period and/or ultrasound-based estimated date of conception and corrected by ultrasound measurements if there was a discordance of ≥ 7 days between both estimates.

However, the analysis by age at first live birth was based on small numbers.

For the years 1999 to 2005, gestational age at birth was based on estimates of term date at routine fetal ultrasonographical examinations in weeks 17 19 of pregnancy.

Socio-economic status (SES) at birth was based on information of parental occupation, and was classified according to the recommendations by Statistics Sweden (Swedish Socioeconomic Classification, 1983).

Assessment of the condition of the child at birth was based on weight, cord-artery and vein acid-base status (pH, and base deficit, mmol/L) and Apgar score.

3, 4 Planned place of birth was based on the woman's intended place of birth at the start of care in labour regardless of whether she was transferred during labour or immediately after the birth.

The date of birth is based on a statement by the Byzantine Greek historian John Tzetzes that Archimedes lived for 75 years.

Ingesting cold foods after birth is based on the same traditional taboo as the ice pack.

Information on gender, age, leve of education and country of birth is based on register data from Statistics Sweden.

Similarly, our choice of a nine month lag time between conception and birth is based on existing evidence from Quebec that suggests that over 87% of deliveries in Quebec were at term during the study period.

Secondly, some indicators such as initiation of breastfeeding after birth were based on the mothers' recall, with a longest recall time of 2 years, which may have introduced recall bias.