Receipt of Family Planning Services in the United States: 2022-2023.

Introduction: This report uses data from the 2022‒2023 National Survey of Family Growth (NSFG) to estimate receipt of family planning services by selected characteristics among females ages 15‒49 in the United States.

Methods: NSFG data were collected through a multi-mode design (in-person and web interviews) with a nationally representative samples of males and females ages 15-49 in the household population of the United States. This report uses data from 5,586 females who completed the survey between January 2022 and December 2023.

Tubal Sterilization and Cervical Cancer Underscreening in the United States.

Tubal sterilization is more commonly utilized by racial/ethnic minority groups and has been implicated in underscreening for cervical cancer. The objective is to determine if prior tubal sterilization is a risk factor for cervical cancer underscreening. National Survey of Family Growth dataset from 2015 to 2019 used for analysis; data were weighted to represent the 72 million women in the U.

Teenagers in the United States: Sexual Activity,Contraceptive Use, and Childbearing, 2015-2019.

Objective-This report presents national estimates of sexual activity and contraceptive use among males and females ages 15-19 in the United States, based on data from the National Survey of Family Growth (NSFG). Methods-NSFG data were collected through in-person interviews with nationally representative samples of males and females ages 15-49 in the household population of the United States. NSFG 2015-2019 interviews were conducted between September 2015 and September 2019 with 21,441 males and females, including 3,812 teenagers (1,894 females and 1,918 males ages 15-19).

Providing Environmental Enrichment without Altering Behavior in Male and Female Wistar Rats ().

In research using animal models, subjects are commonly maintained under standard housing conditions, mainly because of the idea that enhancing welfare conditions could alter experimental data. Another common practice in many laboratories relates to the preponderant use of males. Several reasons justifying this practice include the rapid hormonal and endocrine change in females, which may require a higher number of female animals to achieve more homogenous groups, thereby creating a dilemma with the reduction principle in animal research.

Trends and Patterns in Menarche in the United States: 1995 through 2013-2017.

Objective-This report presents national estimates of age at first menstrual period for women aged 15-44 in the United States in 2013-2017 based on data from the National Survey of Family Growth (NSFG). Estimates for 2013-2017 are compared with those from previous NSFG survey periods (1995, 2002, and 2006-2010). Methods-Data for all survey periods analyzed are based on in-person interviews with nationally representative samples of women in the household population aged 15-44 in the United States.

Sexual Activity and Contraceptive Use Among Teenagers Aged 15-19 in the United States, 2015-2017.

Monitoring sexual activity and contraceptive use among teenagers aged 15-19 in the United States informs understanding of the risk of pregnancy. By 2018, the U.S.

Prevalence of Potentially Unnecessary Bimanual Pelvic Examinations and Papanicolaou Tests Among Adolescent Girls and Young Women Aged 15-20 Years in the United States.

Importance: Pelvic examination is no longer recommended for asymptomatic, nonpregnant women and may cause harms such as false-positive test results, overdiagnosis, anxiety, and unnecessary costs. The bimanual pelvic examination (BPE) is an invasive and controversial examination component. Cervical cancer screening is not recommended for women younger than 21 years.

Receipt of Pelvic Examinations Among Women Aged 15-44 in the United States, 1988-2017.

Pelvic examination has been commonly performed as part of a physical examination for women in the United States. However, the value of routine pelvic examinations has been questioned recently (1,2). In 2012, the American College of Obstetricians and Gynecologists (ACOG) recommended annual pelvic examinations for women aged 21 and over as part of the well-woman visit (3).

Fertility of Men and Women Aged 15-44 in the United States: National Survey of Family Growth, 2011-2015.

This report presents national estimates of selected fertility measures for men and women aged 15-44 in the United States in 2011-2015 based on data from the National Survey of Family Growth (NSFG). Estimates for 2011-2015 are compared with those for 2006-2010.

Urban and Rural Variation in Fertility-related Behavior Among U.S. Women, 2011-2015.

In 2010, one-fifth of the U.S. population lived in rural areas (1).

Provider communication with adolescent and young females during sexual and reproductive health visits: findings from the 2011-2015 National Survey of Family Growth.

Objective: This study assesses provider communication with adolescent and young women about birth control, emergency contraception and condoms during sexual and reproductive health visits.

Study Design: Using data from sexually active 15-24-year-old women in the 2011-2015 National Survey of Family Growth, we examined provider communication about contraception and condoms at sexual and reproductive health services in the past year and assessed differences by demographics, sexual behavior and source of care.

Results: Approximately two thirds of women received provider communication about condoms (65.

Sexual Activity and Contraceptive Use Among Teenagers in the United States, 2011-2015.

Objective-This report presents national estimates of sexual activity and contraceptive use among males and females aged 15-19 in the United States in 2011-2015, based on data from the National Survey of Family Growth (NSFG). For selected indicators, data are also presented from the 1988, 1995, 2002, and 2006-2010 NSFGs, and from the 1988 and 1995 National Survey of Adolescent Males, which was conducted by the Urban Institute. Methods-NSFG data were collected through in-person interviews with nationally representative samples of men and women aged 15-44 in the household population of the United States.

Birth Expectations of U.S. Women Aged 15-44.

Data from the National Survey of Family Growth •Among U.S. women aged 15-44 in 2013-2015, 50% expected to have a child in the future.

Sexual Activity, Contraceptive Use, and Childbearing of Teenagers Aged 15-19 in the United States.

Monitoring sexual activity and contraceptive use among U.S. adolescents is important for understanding differences in their risk of pregnancy.

Three Decades of Nonmarital First Births Among Fathers Aged 15-44 in the United States.

The percentage of fathers aged 15-44 whose first births were nonmarital was lower in the 2000s (36%) than in the previous 2 decades. Fathers with first births in the 2000s were more likely to be in a nonmarital cohabiting union (24%) than those in the 1980s (19%). The percentage of fathers with a nonmarital first birth over the past 3 decades has remained similar for Hispanic and non-Hispanic white men, but has declined for non-Hispanic black men (1980s, 77%; 2000s, 66%).

Recent declines in nonmarital childbearing in the United States.

There were sharp increases in nonmarital childbearing from 2002 to 2007, following the steady increases beginning in the 1980s. The upward trends have mainly reversed since 2007-2008. In addition, the nature of nonmarital childbearing may be changing as cohabiting unions have increased over the last few decades in the United States along with pregnancies within those unions.

Use of family planning and related medical services among women aged 15-44 in the United States: National Survey of Family Growth, 2006-2010.

Objective: This report presents national estimates of the use of family planning services and related medical services among women aged 15-44 in the United States in 2006-2010. Selected indicators are compared with similar measures for 2002 and 1995 to examine changes over time.

Methods: Data for this report come primarily from the 2006-2010 National Survey of Family Growth (NSFG), which included 12,279 interviews with women aged 15-44.

Changes to cervical cancer prevention guidelines: effects on screening among U.S. women ages 15-29.

Objective: A shift toward later initiation of cervical cancer screening for women began in 2002. We generated national estimates of screening prevalence rates and guideline-consistent screening among U.S.

Prevalence and timing of oral sex with opposite-sex partners among females and males aged 15-24 years: United States, 2007-2010.

Objective: This report presents data on the prevalence of oral sex with opposite-sex partners and the timing of first oral sex relative to first vaginal intercourse among females and males aged 15-24 based on the National Survey of Family Growth (NSFG) data from 2007-2010. The question on timing, added to the NSFG in 2007, asked females and males whether first oral sex occurred before, after, or on the same occasion as their first vaginal intercourse.

Methods: Descriptive tables of numbers and percentages are presented and discussed.

Fertility of men and women aged 15-44 years in the United States: National Survey of Family Growth, 2006-2010.

Objective: This report presents national estimates of the fertility of men and women aged 15-44 years in the United States in 2006-2010 based on the National Survey of Family Growth (NSFG). Data are compared with similar measures for 2002.

Methods: Descriptive tables of numbers, percentages, and means are presented and discussed.

Teenagers in the United States: sexual activity, contraceptive use, and childbearing, 2006-2010 national survey of family growth.

Objective: This report presents national estimates of sexual activity, contraceptive use, and births among males and females aged 15-19 in the United States in 2006-2010 from the National Survey of Family Growth (NSFG). For selected indicators, data are also presented from the 1988, 1995, and 2002 NSFG, and from the 1988 and 1995 National Survey of Adolescent Males, conducted by the Urban Institute.

Methods: Descriptive tables of numbers and percentages are presented and discussed.

Teenagers in the United States: sexual activity, contraceptive use, and childbearing, national survey of family growth 2006-2008.

Objective: This report presents national estimates of sexual activity, contraceptive use, and births among males and females 15-19 years of age in the United States in 2006-2008 from the National Survey of Family Growth (NSFG). Selected data are also presented from the 1988, 1995, and 2002 NSFGs, and from the 1988 and 1995 National Survey of Adolescent Males (NSAM), conducted by the Urban Institute.

Methods: Descriptive tables of numbers and percents are presented and discussed.

Educating teenagers about sex in the United States.

Most teenagers received formal sex education before they were 18 (96% of female and 97% of male teenagers). Female teenagers were more likely than male teenagers to report first receiving instruction on birth control methods in high school (47% compared with 38%). Younger female teenagers were more likely than younger male teenagers to have talked to their parents about sex and birth control.

Pap testing and sexual activity among young women in the United States.

Objective: To understand whether and how recency of sexual activity is associated with Pap testing rates among young women.

Methods: We analyzed data on self-reported receipt of Pap testing and initiation of sexual activity among young women and girls aged 15 to 24 years using the 2002 National Survey of Family Growth, an in-person, population-based survey of reproductive-aged men and women in the United States. The primary outcome was receiving a Pap test and its relationship to initiation of sexual activity.