Table 1.

Content information of the questionnaires

Subjects	Moment	Number of items	Issues	Examples of questions
Clients	September 2009 to December 2010	Q0*: 32 Q1: 51 Q2: 73 Q3: 100	a. quality of midwifery care b. ultrasound scans and prenatal screening c. (preparation for) childbirth d. emotions and feelings e. health f. lifestyle g. questions specifically for clients from ethnic minority groups	a. Rate experiences with care provided by midwives/maternity care assistants (0 = worst possible care to 10 = best possible care; 10 steps) b. Did you choose to undergo one or more ultrasound scans, and with hindsight, would you have chosen differently? c. How much pain did you expect/experience? (0 = no pain to 10 = the worst imaginable pain; 20 steps) Have you drawn up a birth plan outlining your preferences and expectations during labour and delivery? d. Were you happy/afraid/worried during pregnancy? Did you feel tense/important/confident during labour? e. In general, how would you rate your current state of health? Do you suffer from any chronic illnesses, disorders or disabilities? f. Did you smoke, drink alcohol, use drugs during pregnancy? Do you take folic acid, vitamin B12, vitamin D? g. Are you planning to consult or have you consulted a midwife and/or gynaecologist in your or your parents' country of birth? Was your midwife and/or maternity care assistant sympathetic to ethnic differences in customs surrounding the birth?
Midwives from 20 participating practices	May 2010	115	a. collaboration with other health care providers b. tasks c. attitudes towards job d. quality of care e. general information	a. On average, how often do you have contact with a general practitioner, secondary care midwife, obstetrician, paediatrician, or maternity care assistant; for what reason do you have contact; who usually takes initiative for that; are you satisfied with the collaboration? b. How often do you provide psychosocial care to clients? How often do you discuss lifestyle (eating, drinking, smoking) with clients? During the last 6 months, how much time did you spend on meetings/organised information activities/supervising midwifery students? Which tasks do you delegate to your practice assistant, and are you satisfied with that? c. Do you think that the following tasks should be executed by midwives? Advise in education possibilities, discuss relational or sexual problems, offer help in case of tendency towards suicide, discuss problems at work, discuss lifestyle (eating, drinking, smoking). Do you (dis)agree with statements on job satisfaction, e.g., my job is useful, my job makes me satisfied, I am enthusiastic about my job, my job is interesting, I have enough time to provide good care. With what items of your current job are you happy, and what can be improved? d. How often do you look up information in guidelines of the Royal Dutch Organisation of Midwives (KNOV)? How much time do you spend on training/education for yourself? Are you registered in one of the quality registries of the KNOV? How much time do you reserve for: each intake, preconception consult, regular consult without ultrasound scan, regular consult with ultrasound scan, counselling regarding prenatal screening, postpartum consult? e. How many years of working experience do you have as a midwife? How many hours per week are you currently working? Do you provide preconception care?
Midwifery practices	June 2010	61	a. organisation of the practice b. size c. provision of preconception information d. collaboration and meetings with health care providers within and outside the practice e. placements and education of midwifery students f. care provided to ethnic minority women and undocumented women	a. number of employees/associates, distribution of tasks, time reserved per client visit, computerised activities and databases, presence and tasks of a practice assistant b. annual number of new clients and deliveries c. frequency of preconception consults d. frequency and duration of regular meetings with care providers within and outside your practice hospitals where clients are referred to and distance to hospitals e. annual number of midwifery students, medical students, nursing students f. annual number of ethnic minority women and undocumented women

* Q0: socio-demographic characteristics, asked simultaneously with first questionnaire that a client completes; Q1: 1^st questionnaire, before 35 weeks gestation; Q2: 2^nd questionnaire, after 35 weeks gestation; Q3: 3^rd questionnaire, postpartum