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 Experiment Videos

A guide to upwardly mobile spermatozoa.

M A Bellis1, R R Baker, P Matson

  • 1Department of Environmental Biology, University of Manchester, United Kingdom.

Andrologia
|September 1, 1990
PubMed
Summary

The swim-up sperm processing method does not just increase normal sperm counts. Instead, specific sperm morphologies exhibit distinct motility characteristics during this selection technique.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A multidimensional biomarker model of vitality and its associations with intrinsic capacity and frailty.

The journal of nutrition, health & aging·2026
Same author

Nurse-led geriatric syndrome screening and intervention program for frail older inpatients in Singapore: a study protocol on implementation research and program evaluation.

BMC geriatrics·2025
Same author

The vitality domain of intrinsic capacity: A scoping review of conceptual frameworks and measurements.

The Journal of frailty & aging·2025
Same author

An introduction to twenty-five years of adverse childhood experiences: A special issue.

Child abuse & neglect·2024
Same author

Cognitive frailty in older adults: examining the impact of frailty criteria on neuropsychological profile, functional outcomes, activity levels, and quality of life.

European geriatric medicine·2024
Same author

Yubi-Wakka Test for Sarcopenia Screening in the Community: Comparative Agreement, Diagnostic Performance and Validity with Calf Circumference Measurements.

The Journal of frailty & aging·2024

Area of Science:

  • Reproductive biology
  • Spermatozoa analysis
  • Assisted reproductive technologies

Background:

  • Sperm morphology and motility are critical indicators of male fertility.
  • Sperm processing techniques, such as swim-up, are used to select motile sperm for assisted reproduction.
  • Understanding the relationship between sperm morphology and motility post-processing is essential.

Purpose of the Study:

  • To investigate whether the swim-up technique selectively enriches for morphologically normal sperm.
  • To determine if specific sperm morphologies are associated with particular motility patterns after swim-up processing.

Main Methods:

  • Comparative morphological analysis of sperm in raw ejaculates versus swim-up fractions.
  • Assessment of sperm motility grades in relation to distinct morphological classifications.

Main Results:

  • The swim-up process does not solely increase the percentage of morphologically normal sperm.
  • Sperm with specific morphologies demonstrate characteristic degrees of progressive motility (upward motility).

Conclusions:

  • Sperm selection via swim-up is influenced by motility, which is linked to morphology.
  • The swim-up technique separates sperm based on a combination of motility and morphology, not just normalization of morphology.

Related Experiment Videos