ISSN 0300-9092 (Print)
ISSN 2412-5679 (Online)

Sperm selection in assisted reproductive technology programs using active microfluidic methods based on positive rheotaxis

Makarova N.P., Kapitannikova A.Yu., Sysoeva A.P., Chernyshev V.S., Kalinina E.A., Sukhikh G.T.

Academician V.I. Kulakov National Medical Research Centre for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, Moscow, Russia

Over the past 50 years, there has been a global decline in the quality of human sperm. Reports suggest that approximately 10-15% of couples worldwide experience difficulties in conceiving, and impaired spermatogenesis is responsible for 30-50% of these cases. The selection of high-quality motile spermatozoa from semen samples is an important step that largely determines the effectiveness of assisted reproductive technologies (ART). A lot of information has been collected in recent years about how sperm move through the female reproductive tract. Microfluidics-based devices make it possible to perform a more appropriate selection of spermatozoa in terms of motility, viability, DNA integrity and morphology, as they provide the opportunity to mimic the natural conditions and obstacles acting on spermatozoa in the natural environment of the female body. Due to the modelling and control of the conditions affecting the semen sample, these devices are able to select spermatozoa with the highest potential for successful fertilization.
This review provides new scientific evidence on the use of the ability of sperm to move against the fluid current during the embryological phase of fertility treatment programs using ART. Novel devices (lab-on-a-chip) that can be successfully integrated into the clinical practice of selecting male gametes by a clinical embryologist are also described. The review includes the data of foreign and Russian articles found in PubMed and e-Library systems published over the last 10 years.
Conclusion: Active microfluidics is a promising area of research for developing sperm selection methods that could improve the effectiveness of assisted reproduction procedures and result in better clinical outcomes.

Authors’ contributions: Makarova N.P. – developing the concept of the article, review and analysis of literature, writing the manuscript; Kapitannikova A.Yu. – review and analysis of literature, writing the manuscript of the article; Sysoeva A.P. – editing the manuscript of the article; Chernyshev V.S. – making critical comments on the article manuscript; Kalinina E.V. – critical review of the article manuscript, making corrections and comments; Sukhikh G.T. – approval of the publication.
Conflicts of interest: Authors declare lack of the possible conflicts of interest.
Funding: The study was performed within the framework of the state assignment 2024-2026 №124020500056-7 “Development of innovative microfluidic chips for selection of male germ cells in programs of infertility treatment by methods of assisted reproductive technologies”, supervised by N.P. Makarova.
For citation: Makarova N.P., Kapitannikova A.Yu., Sysoeva A.P., Chernyshev V.S., Kalinina E.A., Sukhikh G.T. 
Sperm selection in assisted reproductive technology programs using 
active microfluidic methods based on positive rheotaxis.
Akusherstvo i Ginekologiya/Obstetrics and Gynecology. 2025; (6): 28-36 (in Russian)
https://dx.doi.org/10.18565/aig.2025.86

Keywords

infertility
assisted reproductive technologies
sperm selection
infertility treatment
pregnancy
ejaculate
spermatozoa
male germ cells
microfluidic technologies

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Received 25.03.2025

Accepted 15.05.2025

About the Authors

Natalya P. Makarova, Dr. Bio. Sci., Leading Researcher at the Department of IVF named after Prof. B.V. Leonov, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, np_makarova@oparina4.ru,
https://orcid.org/0000-0003-1396-7272
Alina Yu. Kapitannikova, Junior Researcher at the Biophotonics Laboratory, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, a_kapitannikova@oparina4.ru, https://orcid.org/0000-0002-0765-773X
Anastasia P. Sysoeva, Clinical Embryologist, Department of IVF named after Prof. B.V. Leonov, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, sysoeva.a.p@gmail.com, https://orcid.org/0000-0002-6502-4498
Vasiliy S. Chernyshev, PhD, Head of the Biophotonics Laboratory, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, v_chernyshev@oparina4.ru https://orcid.org/0000-0003-2372-7037
Elena A. Kalinina, Dr. Med. Sci., Professor, Head of the Department of IVF named after Prof. B.V. Leonov, Academician V.I. Kulakov National Medical Research Center
for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, e_kalinina@oparina4.ru,
https://orcid.org/0000-0002-8922-2878
Gennady T. Sukhikh, Academician of the RAS, Dr. Med. Sci., Professor, Director, Academician V.I. Kulakov National Medical Research Center for Obstetrics,
Gynecology and Perinatology, Ministry of Health of Russia, g_sukhikh@oparina4.ru, https://orcid.org/0000-0002-7712-1260

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