Menstruation and Menstrual Problems - NICHD - Eunice Kennedy Shriver . . . Menstruation occurs between menarche (pronounced muh-NAHR-kee), a girl's first period, and menopause, when menstrual cycles end 1 The average menstruation time in normally menstruating women is about 5 days 2 In the United States, most girls start menstruating shortly after 12 years of age 3
About Menstruation | NICHD - NICHD - Eunice Kennedy Shriver National . . . Menstruation occurs between menarche (pronounced muh-NAHR-kee), a girl's first period, and menopause, when menstrual cycles end 1 The average menstruation time in normally menstruating women is about 5 days 2 In the United States, most girls start menstruating shortly after 12 years of age 3
COVID-19 Vaccines and Menstruation | NICHD - NICHD - Eunice Kennedy . . . In 2021, anecdotal reports about changes in menstrual cycles following COVID-19 vaccination appeared on social media and in the news To understand if and how COVID-19 vaccination affected menstruation, NIH prioritized research on this topic Findings from NIH-funded research include the following: Does COVID-19 vaccination affect the menstrual
Menstrual Cycles as a Fifth Vital Sign - NICHD NICHD Director Dr Diana W Bianchi explains how menstruation provides insights into overall health status and encourages clinical researchers to routinely collect menstrual cycle data Menstrual Cycles as a Fifth Vital Sign | NICHD - Eunice Kennedy Shriver National Institute of Child Health and Human Development
What are menstrual irregularities? | NICHD - NICHD - Eunice Kennedy . . . For most women, a normal menstrual cycle ranges from 21 to 35 days 1 However, 14% to 25% of women have irregular menstrual cycles, meaning the cycles are shorter or longer than normal; are heavier or lighter than normal; or are experienced with other problems, like abdominal cramps 2 Irregular cycles can be ovulatory, meaning that ovulation occurs, or anovulatory, meaning ovulation does not
Menstruation Research Activities and Advances - NICHD The following organizational units address issues related to menstruation and the causes and effects of menstrual irregularities: The Division of Population Health Research (DiPHR) is interested in statistical methodology, comparative etiologies, and the health endpoints needed to identify mechanisms, at-risk groups, and interventions
What are the common treatments for menstrual irregularities? Treatments for menstrual irregularities often vary based on the type of irregularity and certain lifestyle factors, such as whether a woman is planning to get pregnant Treatment for menstrual irregularities that are due to anovulatory bleeding (absent periods, infrequent periods, and irregular periods) include:1,2
About Endometriosis | NICHD - NICHD - Eunice Kennedy Shriver National . . . Retrograde menstruation This theory proposes that endometriosis cells flow backward through the fallopian tubes and into the pelvis during menstruation Coelomic metaplasia This theory refers to a change in the characteristics of the cells that line the organs in the pelvis