Brief questionnaire about problems felt during the last 2 weeks, derived from the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) symptom criteria for GAD for a total score ranging from 0-21. Minimal (0-4), mild (5-9), moderate (10-14), and severe (15-21) severity ranges have been identified, with a clinical cutoff score of 8 indicating probable diagnosis of GAD

The 10-item Pregnancy-specific anxiety scale revisited-2 (PRAQ-R2) by Van den Bergh to assess and identify pregnancy-specific anxiety in nulliparous women. Scores on each item are ranged from 1 (definitely not true) to 5 (definitely true). The items are divided into three subscales. The 1st subscale - Fear of giving birth, consists of three items. The 2nd subscale - Worries about bearing a physically or mentally handicapped child, consists of 4 items. The 3rd subscale -Concern about own appearance, consists of 3 items.

The Perceived Stress Scale is a 14-items questionnaire to measure the degree to which respondents find their lives unpredictable, uncontrollable and overloading. Individual scores on the PSS can range from 0 to 40, with higher scores indicating higher perceived stress.

The 5-item WHO-5 well-being index is used to assess subjective psychological well-being.

The 10-items General Self-Efficacy scale was created to assess a general sense of perceived self-efficacy with the aim in mind to predict coping with daily hassles as well as adaptation after experiencing all kinds of stressful life events.The minimum score is ten points and the maximum score is forty points for this scale.

We used the corresponding items from the short SCS in the 26-item French questionnaire, to use a 10-item French questionnaire. For each item (e.g.; I'm kind to myself when I'm experiencing suffering), respondents are asked to indicate how often they behave in the stated manner. Each statement is rated on a 5-point Likert scale ranging from 1 (almost never) to 5 (almost always).

The Pittsburgh Sleep Quality Index (PSQI), a 19-items self-report questionnaire measuring sleep quality over a one-month interval.

The Screener version of the Social Adjustment Scale (SAS-SR) is a self-reported 14-item questionnaire derived from the Social Adjustment Scale interview. The questions measure expressive and instrumental performance over the past 2 weeks in six roles areas: work (paid or unpaid), social and leisure activities, relationships with extended family, role as marital partner, role as parent, and role within the family unit. Each area covers four expressive and instrumental categories: performance at expected tasks; the amount of friction with people; finer aspects of interpersonal relations; and feelings and satisfactions. Questions are rated on a five-point scale from which role area means and an overall mean can be obtained, with higher scores meaning greater impairment. The investigators used only the work subscale for this study

The 7-item Dyadic Adjustment Scale (DAS-7) is a shortened version of the original 32-item scale was created to assess multidimensional subjective satisfaction of marriage or similar dyads (93). In the shortened version, six items are rated on a six-point Likert-type scales (from "always agree" to "always disagree" or "all the time" to "never") and the seventh is rated on a seven-point scale (from "extremely unhappy" to "perfectly happy"). A 16-item version of the scale was translated in French and validated. We extracted the 7 items corresponding to DAS-7 from the 16-item French questionnaire.

The Co-parenting Relationship Scale multi-domain measure of the co-parenting relationship in dual parent families. The self-reported questionnaire contains 35 items and 7 subscales: Co-parenting Agreement, Co-parenting Closeness, Exposure, Conflict, Co-parenting Support, Co-parenting Undermining, Endorse Partner Parenting, and Division of Labor. Answers have a 7-point response scale ranging from "not true of us" to "very true of us"

The initial 10-items Social Provisions Scale (SPS) was developed based on Weiss's model of social provisions. The model focus on five social need that can be fulfilled through relationships: guidance, reliable alliance, reassurance of worth, attachment and social integration. Each of the 5 subscales are represented by 2 positively worded statements and rated on a 4-point Likert scale from "1=strongly disagree" to "4=strongly agree"

The Parenting Cognitions and Behaviors Scale assesses parents' cognitions and behavioral tendencies that reflect the quality of their parental involvement with the infant. The scale has 32 items, measured on a Likert scale with scores ranging from 0 ("Not at all") to 10 ("Exactly"). The instrument has 6 dimensions: sense of parental efficacy, perceived impact of parenting, tendency to coerce, tendency to overprotect, parental affection, and parent's perception of the child's general qualities.

The Ages and Stages Questionnaire is a parent-reported scale designed to screen for developmental delays in children. The scale comprises 21 age-specific questionnaires, covering 1 through 66 months of age, each with six items in each of five developmental domains: communication, problem-solving, personal-social, gross motor, and fine motor skills. Answers to each item are "yes," "sometimes," or "not yet", corresponding to scores of 10,5 and 0.

The 7 items of the difficult temperament scale are taken from the Infant Characteristics Questionnaire (ICQ) of Bates, Freeland and Lounsbury, which is designed to measure the degree of difficulty a child presents to his or her parents. Parents are asked to indicate on a scale of 1 (easy) to 7 (difficult) how they perceive their baby's behavior when compared with that of an "average" or "typical" baby.

The brief form of the Personality Inventory for DSM-5 is a 25-item self-report questionnaire that measures the severity of the DSM-5-proposed personality pathology constructs of negative affectivity, detachment, antagonism, disinhibition, and psychoticism.

The BEM Sex Role Inventory (BSRI) is a 30-items self-reported scale designed to evaluate gender. The items in the masculine subscale measure socially desirable masculine characteristics, with the central characteristic being "cognitive focus on getting the job done". The items in the feminine subscale are intended to measure socially desirable feminine characteristics, with the central characteristic being "affective concern for the welfare of others