Table 1.

Study scenarios.

Scenario		Characteristicsa: Absent (−) or Present (+)
No	Description	A	H	C	P
1	25 y/o,b first pregnancy, healthy fetus, vertex position	−	−	−	−
2	26 y/o, first pregnancy, gestational diabetes treated with insulin	−	−	+	−
3	42 y/o, first pregnancy, no complications or background illness	+	−	−	−
4	25 y/o, second pregnancy, no complications or background illness, history of prolonged labor and stillborn	−	+	−	−
5	42 y/o, fifth pregnancy, no complications or background illness, history of three late miscarriages, previous vaginal delivery following prolonged labor	+	+	−	−
6	42 y/o, third pregnancy, current gestational hypertension, requiring high-risk protocol, two previous vaginal deliveries with no complications	+	−	+	−
7	25 y/o, first pregnancy, has been suffering from sleep disturbances throughout the pregnancy, due to anxiety because of stories she heard from friends about their difficult deliveries	−	−	−	+
8	25 y/o, first pregnancy, taking anti-anxiety medications, gestational diabetes treated with insulin	−	−	+	+
9	26 y/o, third pregnancy, diagnosed with gestational hypertension, requiring high-risk protocol. Previous spontaneous miscarriage and one child with severe cardiac malformation	−	+	+	−
10	43 y/o, anesthesiologist, fifth pregnancy without complication or background illness, one livebirth 10 years previously, and three miscarriages in Week 12	+	+	−	+
11	42 y/o, fourth pregnancy, diagnosed gestational hypertension, three previous miscarriages in Week 12	+	+	+	−
12	43 y/o, second pregnancy, without complications, previous vaginal delivery without complications works in a child development clinic for children with brain injuries, and, therefore, fears delivering vaginally again	+	−	−	+
13	26 y/o, second pregnancy, history of prolonged labor with a vacuum delivery. Suffers from anxiety disorder due to fear of another vaginal delivery	−	+	−	+
14	43 y/o, second pregnancy, previous vaginal delivery without complication, gestational diabetes treated with insulin, sleep disturbances due to anxiety surrounding vaginal delivery	+	−	+	+
15	27 y/o, fourth pregnancy, gestational diabetes treated with insulin, estimated fetal weight 3600 gr., two previous miscarriages, one prolonged labor with a vacuum delivery. She is anxious about another prolonged delivery that might harm the baby	−	+	+	+

^aAll cases were singleton, no previous cesarean deliveries, 39 weeks’ gestation, vertex presentation, estimated birthweight 3200 gr. unless otherwise noted. The letters represent the women’s characteristics by the following variables: A: advanced maternal Age; H: traumatic obstetric History; C: Current pregnancy complications; and P: Psychiatric problems (see methods).

^by/o: years old.