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Table 1 Maternal and umbilical cord vein prolactin and cortisol serum levels depending on early breastfeeding of the newborn baby

From: Neonatal breast-suckling skills in the context of lactation and peripartum hormonal changes and additional factors—a pilot study

 

Early breastfeeding with skin-to-skin contact

P-value

Maternal prolactin serum level before childbirth

Yes (n = 46)

No (n = 14)

0.0099

Me = 227.65 ng/mL

Me = 146.10 ng/mL

Maternal cortisol serum level before childbirth

Yes (n = 46)

No (n = 14)

0.0105

Me = 1097.00 ng/mL

Me = 1693.50 ng/mL

Maternal prolactin serum level immediately after childbirth

Yes (n = 45)

No (n = 14)

0.4175

Me = 223.70 ng/mL

Me = 199.80 ng/mL

Maternal cortisol serum level immediately after childbirth

Yes (n = 45)

No (n = 14)

0.0108

Me = 1808.00 ng/mL

Me = 2236.50 ng/mL

Umbilical cord prolactin serum level

Yes (n = 44)

No (n = 14)

0.1644

Me = 416.45 ng/mL

Me = 371.40 ng/mL

Umbilical cord cortisol serum level

Yes (n = 44)

No (n = 14)

0.0273

Me = 199.15 ng/mL

Me = 346.60 ng/mL

Maternal prolactin serum level on second day postpartum

Yes (n = 45)

No (n = 14)

0.1254

Me = 357.90 ng/mL

Me = 313.85 ng/mL

Maternal cortisol serum level on second day postpartum

Yes (n = 45)

No (n = 14)

0.9361

Me = 620.40 ng/mL

Me = 586.70 ng/mL