Looking for a popular subject? Just click on a tag!

period cramps pre-school sexting teen pregnancy prevention puberty breast development gratitude cervical cancer smoking condom period pap smear pornography e-cigarettes body image vagina moods early puberty anxiety teen brain boys puberty gardasil development social media TEDx Greenville STD early childhood vaccine 5th grade menstrual period emerging sexuality menstrual calendar promise ring revenge porn friendship #notyourgirl social development sexual abuse prevention HPV vaccine boys' puberty toxic shock Herpes spencer george 4th grade homosexuality body odor gifts bisexual contraception play list AIDS Sex Talk emotions selfie Playlist STI periods LARCs friendships sexual desire cell phones normal period teen identity Gonorrhea parenting tween girls puberty self esteem Chlamydia sexuality ed condoms birth control adolescents something new about you vulva love Melisa Holmes cancer friends sexual development menstrual cramps transgender question of the week consent sexual health parenting teen prevention Trish Hutchison sex ed vaping red flags body language touch hunger preteen parenting teens Trichomonas irregular period premature puberty dysmenorrhea teen dating KTFF pregnancy sex relationships road show Let's Talk ego instagram guyology precocious puberty queer teen parenting powerful girls anatomy nonconsensual pornography knixteen first period abstinence hpv menstruation new moon girls acne HIV pubic hair self-acceptance communication cancer prevention breast bud masturbation vaccination there's something new about you early development environmental toxins Intern dating breast size parent-child connection book review hair vaginal odor menstrual cup the talk bra self worth father-daughter good for you girls uterus pillow risk taking hormones teen relationships breast cancer music tampon reproduction harassment toxins menarche sexually transmitted infections breast pain dating violence organic middle school coming out girlology cramps breast growth STEM breast health LARC mental health adolescent development oral sex teen behavior warts self confidence skipped period TEDx breast buds parent-child tween eating disorder breast hygiene 4th grader voice healthy relationships sexuality vaginal discharge porn prom

Although period apps are popular and easy to use, this simple tool provides a better visual for helping you and your patient understand her menstrual patterns. For girls who want to premedicate with anti-inflammatory...

Last week, we received several questions about irregular periods:

  • Isn't it normal for the first year of periods to be irregular?
  • My daughter got her first period at 12, then didn't get another period for 4 months.  Is that ok?
  • My daughter’s periods are completely unpredictable.  When should I worry?


Irregular periods may seem like the norm for young girls, but there’s a predictable pattern that the vast majority of girls will follow during the first few years of periods. By keeping track of her periods on a calendar, you and your daughter will be able to recognize what’s normal and what’s not.

To calculate cycle length (which is important) remember to count the number of days...