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Related Concept Videos

Birth Control Methods01:22

Birth Control Methods

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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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Passive Filters01:27

Passive Filters

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Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
Low-Pass Filters
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Active Filters01:25

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Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components from a signal. A first-order low-pass active filter is designed to pass signals with a frequency lower than a certain cutoff frequency and attenuate frequencies higher than that cutoff frequency. The transfer function for a first-order low-pass active filter is:
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Imprinting01:22

Imprinting

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Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a parent) following brief, early-life exposures. Offspring imprint onto parents within a brief period after birth or hatching; this time window is called the critical period. Once imprinting occurs, the bond established between the parents and their offspring is usually long-lasting.
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Reproductive Cloning01:27

Reproductive Cloning

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Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Birth Photos: #No Filter!

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    This issue of The Journal of Perinatal Education features reader feedback and diverse resources. Childbirth educators will find inspiration and research to support natural, safe, and healthy birth practices.

    Keywords:
    birth photosevidence-based practicehealthy birthnatural birthnormal birthperinatal educationphysiological childbirth educationsafe birth

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    Area of Science:

    • Perinatal Education
    • Childbirth Education Research

    Background:

    • Reader feedback on JPE cover imagery.
    • Editor's overview of current issue contents.

    Discussion:

    • Focus on promoting, supporting, and protecting natural birth.
    • Providing resources for childbirth educators.

    Key Insights:

    • Diverse content including research and inspiration.
    • Emphasis on safe and healthy birth outcomes.

    Outlook:

    • Continued support for evidence-based perinatal education.
    • Encouraging dialogue within the childbirth education community.