Menarche is a developmental milestone that symbolizes the transition from girlhood to womanhood. This transitional event not only involves a biological transformation in girls’ bodies that brings qualitative shifts from reproductive immaturity to fertility, but also demands emotional and social adjustments to the new identity and expectations associated with a mature body (Brooks-Gunn and Petersen
1983; Ruble and Brooks-Gunn
1982). Because menarche is an uncertain, ambiguous, and novel event (Caspi and Moffitt
1991), the arrival of a first menstrual cycle is often accompanied by negative feelings (Rembeck et al.
2006), including anxiety, surprise, dismay, panic, confusion (Brooks-Gunn and Ruble
1982; Ruble and Brooks-Gunn
1982), embarrassment, and ambivalence (Moore
1995; Tang et al.
2003). Other morphological changes that occur during pubertal development are continuous and gradual (e.g., breast development, growth spurt, skin changes, growth of pubic hair), but menarche is often sudden, unanticipated, and unplanned. Such an abrupt transition, which is particularly salient in earlier-maturing girls, may provoke anxiety because it does not allow time for emotional preparation (Ruble and Brooks-Gunn
1982). This anxiety, however, seems transient: Although girls may initially report anxiety, ambivalence, and confusion at the peri-menarcheal phase (Ruble and Brooks-Gunn
1982), they eventually adjust (Brooks-Gunn and Ruble
1982). As these studies on the experience of menarche vividly illustrate, menarche can be conceived as a life event that demarcates the boundary between two different stages of life (girlhood to womanhood) and may bring temporary turbulence and some discontinuity in the emotional life of girls. However, these studies—though seminal—are dated; the majority of research on girls’ emotional reactions during the menarcheal transition was conducted more than two decades ago (e.g., Ruble and Brooks-Gunn
1982) and children’s awareness, responses, and interpretations of menarche may have changed since that point.
While transitional aspects of menarche are crucial to understanding the universal adjustment of girls at puberty, certain individual differences might make the transition to menarche more challenging. First and foremost is the timing of menarche. A substantial body of research has investigated the link between pubertal timing (including age at menarche) and internalizing psychopathology (for reviews, see Ge and Natsuaki
2009; Mendle et al.
2007). With specific regard to anxiety, girls who mature early tend to exhibit more anxiety symptoms and panic attacks (Hayward et al.
1992; Kaltiala-Heino et al.
2003; Reardon et al.
2009). This heightened risk for anxiety among early maturers persists over the course of adolescence and into young adulthood, highlighting the long-term developmental implications of pubertal timing (Graber et al.
2004; Zehr et al.
2007).
One potential explanation of the increased risk for anxiety in earlier-maturing girls is that they are less equipped to handle the challenges and stress of maturation than girls who reach the same developmental milestones at a later chronological age (Caspi and Moffitt
1993; Ge and Natsuaki
2009). Compared to later-maturing counterparts, earlier maturers experience a truncated preparation time to develop resources and skills needed to cope with the array of new stressors that emerge with the acquisition of physical maturity. As a result, earlier-maturing children experience heightened levels of emotional distress. This explanation is readily applicable to the mechanisms that link menarcheal timing and girls’ reaction to menarche. Indeed, evidence shows that girls who mature early and/or are unprepared tend to react more negatively to menarche (Ruble and Brooks-Gunn
1982).
There are, however, several questions that have not been addressed in previous work. First, the majority of prior studies conceptualizing menarche as a life event has limited their scope to specific reactions to menarche, excluding how global feelings of anxiety, apprehension, and worry emerge in girls during the months surrounding this transition. Second, prospective, longitudinal designs allowing for a study of process mechanisms by following girls from pre- to post-menarcheal stages are rare (for exceptions, see Brooks-Gunn and Ruble
1982; Ruble and Brooks-Gunn
1982). Given the universality and salience of menarche in girls’ lives, how girls navigate the menarcheal transition and how the timing of menarche influences this experience warrants revived attention in a longitudinal study that covers the time span before and after menarche. The first goal of the present study was, therefore, to examine the effects of menarcheal timing on trajectories of anxiety during the transition from pre- to post-menarcheal phases.