Testing (1) Development (1) Children (1) Childhood and youth (1) Implements (1) Instruments (1) AIDS (Disease) in women (1) Couples (1) Human reproductive technology (1) Twins (1) Success (1) Risk (1) Questionnaires (1) Puerperium (1) Psychology, Pathological (1) Pregnancy (1) Personality (1) Parents (1) Network analysis (Planning) (1) Months (1) Mental illness (1) Human beings (1) Maintenance (1) Life expectancy (1) Life (1) Newborn infants (1) Infants (1) Illegitimate children (1) Humanity (1) Helplessness (Psychology) (1)