Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Birth Control Methods01:22

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although vasectomy...
Intrauterine Drug Delivery Systems01:21

Intrauterine Drug Delivery Systems

Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...
Gonadal and Placental Hormones01:24

Gonadal and Placental Hormones

The gonads, namely the testes in males and the ovaries in females, are pivotal in producing gonadal hormones that orchestrate the intricate processes of sexual development and reproduction.
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair growth — and...
Parental Care00:55

Parental Care

Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Overview of breast cancer treatment and reconstruction for primary care providers.

Journal of midwifery & women's health·2012
Same author

Noncontraceptive uses of hormonal contraception.

Journal of midwifery & women's health·2011
Same author

Polycystic ovary syndrome.

Journal of midwifery & women's health·2006
Same author

Contraceptive use and discontinuation: findings from the contraceptive history, initiation, and choice study.

American journal of obstetrics and gynecology·2006

Related Experiment Video

Updated: Jul 10, 2026

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)
13:00

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)

Published on: July 31, 2021

Contraception and lactation.

Joyce King1

  • 1Emory University School of Nursing, Atlanta, GA 30322, USA. Jking01@emory.edu

Journal of Midwifery & Women'S Health
|November 7, 2007
PubMed
Summary

Breastfeeding offers benefits, but contraception is crucial for those supplementing. Clinicians must guide breastfeeding mothers in selecting contraceptives that do not impede lactation to prevent unintended pregnancies.

Area of Science:

  • Reproductive Health
  • Lactation Studies
  • Contraception Research

Background:

  • Breastfeeding provides significant health benefits for both infants and mothers.
  • Extended intervals between births are associated with reduced maternal and infant complications.
  • Lactational amenorrhea is an effective contraceptive for up to six months postpartum, contingent upon exclusive and frequent breastfeeding, including nighttime nursing.

Purpose of the Study:

  • To review the existing research on the impact of various contraceptive methods on lactation.
  • To inform clinical decision-making regarding contraception for breastfeeding women.
  • To highlight the importance of choosing contraceptives that do not interfere with breastfeeding.

Main Methods:

  • Comprehensive literature review of studies examining contraceptive use and lactation.

More Related Videos

An Efficient Single-Person Technique for Milk Sampling from Laboratory Mice
04:56

An Efficient Single-Person Technique for Milk Sampling from Laboratory Mice

Published on: March 28, 2025

Related Experiment Videos

Last Updated: Jul 10, 2026

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)
13:00

Intranasal Immunization and Milk Collection in Studies of Maternal Immunization in New Zealand White Rabbits (Oryctolagus cuniculus)

Published on: July 31, 2021

An Efficient Single-Person Technique for Milk Sampling from Laboratory Mice
04:56

An Efficient Single-Person Technique for Milk Sampling from Laboratory Mice

Published on: March 28, 2025

  • Analysis of research on hormonal contraceptives and their effects on milk production and composition.
  • Examination of factors influencing the effectiveness of lactational amenorrhea as contraception.

    • Main Results:

    • While exclusive breastfeeding can delay postpartum ovulation, supplemental feeding necessitates alternative contraceptive measures.
    • Certain hormonal contraceptives may potentially affect milk supply or composition, requiring careful selection.
    • The timing of contraceptive initiation is a critical factor for breastfeeding women.

    Conclusions:

    • Breastfeeding mothers who supplement should utilize reliable contraception to avoid unintended pregnancies.
    • Clinicians play a vital role in counseling breastfeeding women on contraceptive options, prioritizing methods compatible with lactation.
    • Further research is needed to fully elucidate the long-term effects of various contraceptives on lactation and infant health.