Table 1  Secondary and exploratory study objectives (excerpt).

TEOAEs: transient evoked otoacoustic emissions
Secondary study objectives	In the mindfulness-oriented experimental group, in comparison to the pregnancy education control group,  … there is a positive influence on self-regulation, developmental status and mental health of the 11 – 12-month-old infants. the anogenital distance is shortened in children and the strength of TEOAEs in children is increased. self-reported maternal stress, depressive symptoms, pregnancy-related anxieties and alcohol and tobacco use are reduced. cortisol, cotinine and ethyl glucuronide levels in maternal hair are reduced. the self-reported mindfulness of the mothers is increased. a positive influence on the course of pregnancy and delivery can be demonstrated.
Exploratory study objectives	It shall be demonstrated that participation in the mindfulness-oriented experimental group, in comparison to the pregnancy education control group, … induces a change in the body mass index during pregnancy and in the first year after delivery. reduces the risk of hypertensive diseases of pregnancy, an excessively low birth weight, preterm birth and gestational diabetes. changes the course of biomarker and hormone levels in pregnancy and the post-delivery period. changes the immune status during pregnancy. has an effect on the immune cells of the mother and epigenetic patterns in the cells of the child.