1. Medication use during pregnancy and lactation in a dutch population;deWaard;J Hum Lact,2018
2. Prenatal corticosteroids for reducing morbidity and mortality after preterm birth,2005
3. Medicines in pregnancy;Stock;F1000Res,2019
4. Organisation for Economic Co-operation and Development. Fertility Rates. Accessed on 15/1/2021 at [https://data.oecd.org/pop/fertility-rates.htm].
5. Census;Central Statistics Office,2016