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Related Concept Videos

Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
The Menstrual Cycle01:19

The Menstrual Cycle

The menstrual cycle is a recurrent sequence of changes in the uterine endometrium, specifically its functional layer, the stratum functionalis. This cycle prepares the uterus for potential pregnancy. This cycle typically spans 21–35 days, averaging 28 days, and aligns with the ovarian cycle, regulated by fluctuating levels of ovarian hormones, primarily estrogen and progesterone.
The menstrual phase occurs from days 1 to 5 and involves the shedding of the stratum functionalis, as a uterine...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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...
Menses Phase01:18

Menses Phase

The uterine cycle begins with the menstrual phase, which is considered day one of the cycle and typically lasts about five days. This phase is characterized by the degeneration and shedding of the stratum functionalis, the functional layer of the endometrium.
When fertilization does not occur, the corpus luteum deteriorates, causing a significant drop in the levels of estrogen and progesterone in the body. This hormonal decrease triggers the release of prostaglandins, which cause the uterine...
Muscles of the Pelvic Floor and Perineum01:26

Muscles of the Pelvic Floor and Perineum

The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer.
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...

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Related Experiment Video

Updated: May 21, 2026

Retrieval of Mouse Oocytes
08:42

Retrieval of Mouse Oocytes

Published on: April 28, 2007

A retained menstrual cup.

S Day1

  • 1St Stephens Centre, Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK. Sara.day@chelwest.nhs.uk

International Journal of STD & AIDS
|June 1, 2012
PubMed
Summary
This summary is machine-generated.

A retained menstrual cup (Mooncup) caused a difficult removal in a young woman. This case highlights a new adverse event associated with menstrual cup use and the need for clinician awareness.

Related Experiment Videos

Last Updated: May 21, 2026

Retrieval of Mouse Oocytes
08:42

Retrieval of Mouse Oocytes

Published on: April 28, 2007

Area of Science:

  • Gynecology
  • Urology
  • Patient Safety

Background:

  • Menstrual cups are increasingly popular alternatives to traditional menstrual products.
  • Proper insertion and removal techniques are crucial for safe menstrual cup usage.

Observation:

  • A 20-year-old woman presented with a retained vaginal menstrual cup (Mooncup) that was difficult to retrieve.
  • The cervix was lodged within the menstrual cup, complicating removal.

Findings:

  • The case report details a novel adverse event associated with menstrual cup use.
  • Standard removal procedures, as per product instructions, were challenging in this instance.

Implications:

  • Clinicians require familiarity with menstrual cup designs and removal techniques.
  • Patient education on correct menstrual cup placement and management of retained devices is essential for preventing complications.