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Ovarian Cycle01:27

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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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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...
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Hormonal Control of the Ovarian Cycle01:30

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The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
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In Vitro Fertilization01:24

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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.
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Meiosis II01:57

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Meiosis II is the second and final stage of meiosis. It relies on the haploid cells produced during meiosis I, each of which contain only 23 chromosomes—one from each homologous initial pair. Importantly, each chromosome in these cells is composed of two joined copies, and when these cells enter meiosis II, the goal is to separate such sister chromatids using the same microtubule-based network employed in other division processes. The result of meiosis II is two haploid cells, each...
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Infertility in Females01:28

Infertility in Females

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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

Updated: Jun 22, 2025

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives
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SPONTANEOUS CONCEPTION AFTER CYCLE PROGRAMMING WITH DROSPIRENONE - A NEW OPTION FOR FERTILITY TREATMENTS.

S Findeklee1,2, R M Sima3

  • 1MVZ Göttingen/Jena, Gynaecology Eviamed, Göttingen, Germany.

Acta Endocrinologica (Bucharest, Romania : 2005)
|June 27, 2024
PubMed
Summary
This summary is machine-generated.

Delayed childbearing can lead to fertility challenges. A progestin pill, drospirenone, was used to successfully achieve spontaneous conception and a healthy birth in a 35-year-old woman.

Keywords:
cycle programmingfertilityintercourse at the optimal timeprogestins

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Fertility Preservation in Patients with Severe Ovarian Dysfunction
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Area of Science:

  • Reproductive Medicine
  • Women's Health
  • Obstetrics

Background:

  • Increasing trend of couples postponing parenthood beyond age 35.
  • Age-related decline in female fertility, particularly after 35.
  • Challenges in achieving conception due to career demands and physical separation impacting regular intercourse during fertile windows.

Observation:

  • A 35-year-old patient presented with challenges related to delayed conception.
  • The patient's lifestyle involved significant career involvement and potential physical separation.

Findings:

  • A treatment protocol involving the progestin pill drospirenone was implemented to manage the patient's cycle.
  • The intervention resulted in spontaneous conception.

Implications:

  • This case suggests a potential role for hormonal cycle programming in facilitating conception for women experiencing age-related fertility decline.
  • Highlights a possible therapeutic approach for couples facing conception difficulties due to lifestyle factors associated with delayed childbearing.
  • Supports further research into optimizing conception strategies for older women and career-focused individuals.