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

Ovarian Cycle01:27

Ovarian Cycle

1.9K
The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle...
1.9K
In Vitro Fertilization01:24

In Vitro Fertilization

424
In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
424
Teratogenicity01:07

Teratogenicity

2.8K
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...
2.8K
Fertilization01:38

Fertilization

72.4K
During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...
72.4K

You might also read

Related Articles

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

Sort by
Same author

Low-dose hydrocortisone in patients with COVID-19 and severe hypoxia: The COVID STEROID randomised, placebo-controlled trial.

Acta anaesthesiologica Scandinavica·2021
Same author

Simulation-based training of junior doctors in handling critically ill patients facilitates the transition to clinical practice: an interview study.

BMC medical education·2019
Same author

Undocumented migrant women in Denmark have inadequate access to pregnancy screening and have a higher prevalence Hepatitis B virus infection compared to documented migrants in Denmark: a prevalence study.

BMC public health·2016
Same author

Augmenting health care failure modes and effects analysis with simulation.

Simulation in healthcare : journal of the Society for Simulation in Healthcare·2014
Same author

[An unusual case of a screwdriver found in rectum].

Ugeskrift for laeger·2011
Same author

[Surgery crisis--seen from a fundamental point of view].

Ugeskrift for laeger·2003

Related Experiment Video

Updated: Sep 18, 2025

Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes
04:08

Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes

Published on: June 27, 2025

457

[Heterotopic pregnancy after natural conception].

Lene Lund Andersen1, Malin Zejlon Nylander2, Marlene Mohr1

  • 1Gynækologisk Obstetrisk Afdeling, Københavns Universitetshospital - Holbæk Sygehus.

Ugeskrift for Laeger
|June 20, 2025
PubMed
Summary

Heterotopic pregnancy, a rare condition with simultaneous intra- and extrauterine pregnancies, was diagnosed in a 9-week pregnant woman. Surgical intervention for the ectopic component allowed the intrauterine pregnancy to continue.

More Related Videos

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants
08:26

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants

Published on: August 31, 2016

8.0K
Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model
06:49

Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model

Published on: April 7, 2023

1.8K

Related Experiment Videos

Last Updated: Sep 18, 2025

Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes
04:08

Mouse Model of Surgical Uterine Injury and Subsequent Pregnancy Outcomes

Published on: June 27, 2025

457
Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants
08:26

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants

Published on: August 31, 2016

8.0K
Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model
06:49

Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model

Published on: April 7, 2023

1.8K

Area of Science:

  • Reproductive Medicine
  • Obstetrics & Gynecology
  • Surgical Case Reports

Background:

  • Heterotopic pregnancy, characterized by simultaneous intrauterine and extrauterine gestations, is a rare obstetric complication.
  • While typically occurring in the setting of assisted reproductive technologies, spontaneous cases are documented.
  • Risk factors include prior pelvic inflammatory disease, endometriosis, and uterine or tubal surgery.

Purpose of the Study:

  • To report a case of heterotopic pregnancy diagnosed and managed in a 29-year-old woman.
  • To highlight the diagnostic challenges and successful management of this rare condition.
  • To emphasize the possibility of preserving the intrauterine pregnancy after treating the ectopic component.

Main Methods:

  • A case report of a 29-year-old woman presenting with lower abdominal pain at nine weeks gestation.
  • Diagnostic workup included ultrasound, which revealed an intrauterine pregnancy and pelvic free fluid.
  • Laparoscopic surgery was performed for the extrauterine component.

Main Results:

  • Ultrasound confirmed an intrauterine pregnancy alongside findings suggestive of an ectopic pregnancy.
  • Laparoscopic exploration identified a right tubal pregnancy.
  • A salpingectomy was successfully performed, preserving the intrauterine pregnancy.

Conclusions:

  • Heterotopic pregnancy, though rare, must be considered in patients with abdominal pain and a confirmed intrauterine pregnancy.
  • Early diagnosis and prompt surgical management are crucial for preserving maternal health and the intrauterine gestation.
  • This case underscores the successful management of heterotopic pregnancy with preservation of the intrauterine pregnancy.