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Related Concept Videos

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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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Oogenesis,  the process of developing egg cells (female gametes), occurs within the ovaries and is fundamental to female fertility. This sequence begins during fetal development when diploid oogonia in the developing ovaries undergo mitotic divisions to produce primary oocytes. By birth, these primary oocytes enter prophase I of meiosis but become arrested in this stage, remaining suspended until puberty.
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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...
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Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
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Related Experiment Video

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Symptomatic Persistent Fetal Ovarian Cysts.

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Symptomatic complex ovarian cysts can cause vomiting in infant females, a common pediatric emergency presentation. These cases highlight the importance of considering ovarian pathology in the differential diagnosis for infant vomiting.

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Area of Science:

  • Pediatric Emergency Medicine
  • Pediatric Surgery
  • Pediatric Radiology

Background:

  • Vomiting is a frequent reason for pediatric emergency department visits in young infants.
  • The differential diagnosis for infant vomiting is extensive, requiring careful evaluation.
  • Ovarian pathology, specifically complex ovarian cysts, can present as a cause of vomiting in this age group.

Purpose of the Study:

  • To present two cases of infant females with symptomatic complex ovarian cysts presenting with vomiting.
  • To review key imaging findings associated with complex ovarian cysts in infants.
  • To discuss management strategies and expand the differential diagnosis of vomiting in young female infants.

Main Methods:

  • Case report presentation of two distinct cases of infant females.
  • Review of clinical presentation, diagnostic imaging (ultrasound), and management decisions.
  • Discussion of pertinent literature regarding ovarian cysts in infants.

Main Results:

  • Case 1: Infant with a prenatally diagnosed ovarian cyst managed with serial ultrasounds.
  • Case 2: Infant with a large complex ovarian cyst diagnosed after reportedly normal prenatal ultrasounds.
  • Both cases illustrate symptomatic complex ovarian cysts as a cause of vomiting in infants.

Conclusions:

  • Complex ovarian cysts should be considered in the differential diagnosis of vomiting in young female infants.
  • Appropriate imaging is crucial for diagnosis and management planning.
  • Early recognition and intervention can lead to favorable outcomes.