Answer:
A. Reach puberty earlier
Step-by-step explanation:
A recent study by the professors of University of Wisconsin and Arizona found out that parenting style, parental depression, economic difficulty and family stresses affect the onset of puberty in girls.
If a girl living in family has less marital conflict and more parental support experience the hormonal changes late, while the girls with depression, poor parent support and martial conflict experience puberty earlier.
Even a normal family stress or conflict can influence a young girl's sexual development. A girl's mothers first menstruation is also affect the girls puberty. The study revealed that non genetic factors also affect the onset of puberty.