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Mathematical assessment of the spermatozoa transport through couple stress fluid in an asymmetric human cervical canal

Theory in Biosciences volume 139, pages 235–251 (2020)Cite this article

Abstract

Swimming of spermatozoa through couple stress fluid in an asymmetric human cervical canal is investigated in the present theoretical analysis. A couple of fourth-order partial differential equations arising from the mathematical modelling of the proposed model is solved analytically. Flow variables like pressure gradient, propulsive velocity, mucus velocity and time mean flow rate are analysed for the pertinent parameters. Conspicuous features of the pumping characteristics are explored. It is found that pressure rise facilitates the motion of spermatozoa to fertilize an ovum in the female reproductive tract, whereas pressure drop by inverting the direction of spermatozoa controls the probability of pregnancy. Maximal propulsive velocity of the spermatozoa is reported in the absence of travelling waves along the cervical walls. Minute impact of phase difference on propulsive velocity is evident. An analogy of the current analysis with the existing literature is also made.

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Authors and Affiliations

  1. Department of Mathematics and Statistics, Riphah International University, Sector I-14, Islamabad, Pakistan

    Ahsan Walait & M. A. Rana

  2. Deparment of Mathematics, Pennsylvania State University, York Campus, 1031 Edgecomb Avenue, York, PA, 17403, USA

    A. M. Siddiqui

Authors
  1. Ahsan Walait
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  2. A. M. Siddiqui
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  3. M. A. Rana
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Correspondence to Ahsan Walait.

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Walait, A., Siddiqui, A.M. & Rana, M.A. Mathematical assessment of the spermatozoa transport through couple stress fluid in an asymmetric human cervical canal. Theory Biosci. 139, 235–251 (2020). https://doi.org/10.1007/s12064-020-00315-5

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  • DOI: https://doi.org/10.1007/s12064-020-00315-5

Keywords

  • Spermatozoa transport
  • Swimming sheet
  • Couple stress fluid
  • Human cervical canal (HCC)
  • Asymmetric
  • Self-propulsion
  • Propulsive velocity
  • Self-propelling sheet of spermatozoa (SPSS)