Selenium levels
copper levels
zinc levels
KCH-Bwaila
Code numerical
Age of respondent
Age groups of respondant
Race of respondent
marital status
Gravidity
previous preterm pregnancy
Education level
Have you used herbal medication in this pregnancy
Ultrasound groups gestation age
Birth weight goups
Sex of the baby
SPuse
Use of ART
Results HIV test
Results of VDRL
haemoglobin
Test results haemoglobin
Malaria antigen test
Baby maturity assessment age groups
Placenta malaria negative or positive