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Author

  • Pratap Kumar Narayan

Addition of zinc to human ejaculate prior to cryopreservation prevents freeze-thaw-induced DNA damage and preserves sperm function

Kotdawala, A. P., Kumar, S., Salian, S. R., Thankachan, P., Govindraj, K., Kumar, P., Kalthur, G. & Adiga, S. K., 12-2012, In : Journal of Assisted Reproduction and Genetics. 29, 12, p. 1447-1453 7 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Application of mindfulness-based psychological interventions in infertility

Patel, A., Sharma, P. S. V. N. & Kumar, P., 01-01-2020, In : Journal of Human Reproductive Sciences. 13, 1, p. 3-21 19 p.

Research output: Contribution to journalReview article

Open Access
1 Citation (Scopus)

Assisted reproduction in polycystic ovarian disease: A multicentric trial in India

Kumar, P., Nawani, N., Malhotra, N., Malhotra, J., Patil, M., Jayakrishnan, K., Kar, S., Jirge, P. R. & Mahajan, N., 01-01-2013, In : Journal of Human Reproductive Sciences. 6, 1, p. 49-53 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Association between sperm DNA integrity and seminal plasma antioxidant levels in health workers occupationally exposed to ionizing radiation

Kumar, D., Salian, S. R., Kalthur, G., Uppangala, S., Kumari, S., Challapalli, S., Chandraguthi, S. G., Jain, N., Krishnamurthy, H., Kumar, P. & Adiga, S. K., 2014, In : Environmental Research. 132, p. 297-304 8 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Association of low maternal plasma glucose after oral glucose challenge test with small for gestational age neonate

Bhat, R. G., Bhagya, K. V. & Kumar, P., 01-01-2012, In : International Journal of Infertility and Fetal Medicine. 3, 1, p. 22-25 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2 Citations (Scopus)
19 Citations (Scopus)

Congenital Mitral atresia: A rare anomaly diagnosed in fetal echocardiography: A case study

Krishnananda, N., Ranjan Shetty, K., Kumar, P., Shetty, K., Prabhu, S. & Jyothi, S., 01-09-2016, In : Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7, 5, p. 1936-1939 4 p.

Research output: Contribution to journalArticle

Controlled cooling versus rapid freezing of teratozoospermic semen samples: Impact on sperm chromatin integrity

Kalludi, S. N., Kalthur, G., Benjamin, S., Kumar, P. & Adiga, S., 09-2011, In : Journal of Human Reproductive Sciences. 4, 3, p. 121-124 4 p.

Research output: Contribution to journalArticle

Diagnosis of lower genital tract infection in pregnancy: Routine mid-trimester high vaginal swab followed by gram staining, seems to be the best strategy

Poojari, V. G., Vasudeva, A., Dawson, S., Kaipa, G., Eshwara, V., Tellapragada, C. & Kumar, P., 01-01-2019, In : Current Women's Health Reviews. 15, 4, p. 277-283 7 p.

Research output: Contribution to journalArticle

Distress in infertile males in Manipal-India: A clinic based study

Patel, A., Sharma, P. S. V. N., Narayan, P., Nair, B. V. S., Narayanakurup, D. & Pai, P. J., 01-10-2016, In : Journal of Reproduction and Infertility. 17, 4, p. 213-220 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Effects of metformin use in pregnant patients with polycystic ovary syndrome

Khan, K. & Kumar, P., 01-05-2012, In : Journal of Human Reproductive Sciences. 5, 2, p. 166-169 4 p.

Research output: Contribution to journalReview article

13 Citations (Scopus)

Ejaculate fractions of asthenozoospermic and teratozoospermic patients have differences in the sperm DNA integrity

Kumar, D., Kalthur, G., Mascarenhas, C., Kumar, P. & Adiga, S. K., 12-2011, In : Andrologia. 43, 6, p. 416-421 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Endometrial osseous metaplasia

Shivamurthy, A., Jaiprakash, P., Nishith, N., Pai, P. J. & Kumar, P., 01-09-2016, In : Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7, 5, p. 1237-1240 4 p.

Research output: Contribution to journalArticle

Endometrioma cyst: To remove or not?

Kumar, P. & Balasubramanian, A., 01-01-2012, In : International Journal of Infertility and Fetal Medicine. 3, 1, p. 26-29 4 p.

Research output: Contribution to journalReview article

1 Citation (Scopus)

Evaluation of fetal echocardiography as a routine antenatal screening tool for detection of congenital heart disease

Nayak, K., Naveen Chandra, G. S., Shetty, R. & Narayan, P. K., 01-01-2016, In : Cardiovascular Diagnosis and Therapy. 6, 1, p. 44-49 6 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Evaluation of oxidative stress and severity of endometriosis

Amreen, S., Kumar, P., Gupta, P. & Rao, P., 01-01-2019, In : Journal of Human Reproductive Sciences. 12, 1, p. 40-46 7 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)
7 Citations (Scopus)
8 Citations (Scopus)
8 Citations (Scopus)

Germ cell abnormalities in streptozotocin induced diabetic mice do not correlate with blood glucose level

Bose, R., Adiga, S. K., D'Souza, F., Salian, S. R., Uppangala, S., Kalthur, G., Jain, N., Radhakrishnan, R. A., Bhat, N., Krishnamurthy, H. & Kumar, P., 12-2012, In : Journal of Assisted Reproduction and Genetics. 29, 12, p. 1405-1413 9 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2 Citations (Scopus)

Identification of biochemical differences between different forms of male infertility by nuclear magnetic resonance (NMR) spectroscopy

Jayaraman, V., Ghosh, S., Sengupta, A., Srivastava, S., Sonawat, H. M. & Narayan, P. K., 01-01-2014, In : Journal of Assisted Reproduction and Genetics. 31, 9, p. 1195-1204 10 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
5 Citations (Scopus)

Individualizing ovarian stimulation protocols in ART

Kumar, P., 22-09-2015, Principles and Practice of Controlled Ovarian Stimulation in ART. Springer India, p. 138-145 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Influence of endomeriotic cyst diameter and the severity of endometriosis on the ovarian parenchyma excised during laparoscopic cystectomy

Ramachandran, A., Dhulkhed, S., Bhakta, R., Bhat, R. G., Rao, A. C. K., Vasudeva, A., Vishalakshi, A. & Kumar, P., 05-10-2013, In : Journal of Clinical and Diagnostic Research. 7, 10, p. 2241-2243 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Influence of sperm DNA damage on human preimplantation embryo metabolism

Uppangala, S., Pudakalakatti, S., D'souza, F., Salian, S. R., Kalthur, G., Kumar, P., Atreya, H. & Adiga, S. K., 01-09-2016, In : Reproductive biology. 16, 3, p. 234-241 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
7 Citations (Scopus)

Laparoscopic cystectomy of endometrioma: Good surgical technique does not adversely affect ovarian reserve

Bhat, R. G., Dhulked, S., Ramachandran, A., Bhaktha, R., Vasudeva, A., Kumar, P. & Rao, A. C. K., 01-01-2014, In : Journal of Human Reproductive Sciences. 7, 2, p. 125-129 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Laser-assisted hatching of cleavage-stage embryos impairs developmental potential and increases DNA damage in blastocysts

Honguntikar, S. D., Uppangala, S., Salian, S. R., Kalthur, G., Kumar, P. & Adiga, S. K., 2014, In : Lasers in Medical Science. 30, 1, p. 95-101 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Luteinizing hormone and its dilemma in ovulation induction

Kumar, P. & Sait, S., 01-01-2011, In : Journal of Human Reproductive Sciences. 4, 1, p. 2-7 6 p.

Research output: Contribution to journalReview article

34 Citations (Scopus)

Manipal cervical scoring system by transvaginal ultrasound in predicting successful labour induction

Bajpai, N., Bhakta, R., Kumar, P., Rai, L. & Hebbar, S., 01-05-2015, In : Journal of Clinical and Diagnostic Research. 9, 5, p. QC04-QC09

Research output: Contribution to journalArticle

7 Citations (Scopus)

Multimodality Screening for Lower Genital Tract Infections Between 18 and 24 Weeks of Pregnancy and its Efficacy in Predicting Spontaneous Preterm Delivery

Poojari, V. G., Dawson, S., Vasudeva, A., Hegde, N., Kaipa, G., Eshwara, V., Tellapragada, C. & Kumar, P., 01-01-2019, (Accepted/In press) In : Journal of Obstetrics and Gynecology of India.

Research output: Contribution to journalArticle

"near miss" obstetric events and maternal deaths in a tertiary care hospital: An audit

Ps, R., Verma, S., Rai, L., Kumar, P., Pai, M. V. & Shetty, J., 19-07-2013, In : Journal of Pregnancy. 2013, 393758.

Research output: Contribution to journalArticle

32 Citations (Scopus)

New insights into infertility associated with polycystic ovarian syndrome

Pai, P. J., Sahoo, P. & Kumar, P., 01-08-2015, In : International Journal of Infertility and Fetal Medicine. 6, 2, p. 43-50 8 p.

Research output: Contribution to journalReview article

NMR studies of preimplantation embryo metabolism in human assisted reproductive techniques: A new biomarker for assessment of embryo implantation potential

Pudakalakatti, S. M., Uppangala, S., D'Souza, F., Kalthur, G., Kumar, P., Adiga, S. K. & Atreya, H. S., 01-2013, In : NMR in Biomedicine. 26, 1, p. 20-27 8 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)
3 Citations (Scopus)

Orlistat in polycystic ovarian syndrome reduces weight with improvement in lipid profile and pregnancy rates

Kumar, P. & Arora, S., 01-01-2014, In : Journal of Human Reproductive Sciences. 7, 4, p. 255-261 7 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Ovarian hyperstimulation syndrome

Kumar, P., Sait, S. F., Sharma, A. & Kumar, M., 2011, In : Journal of Human Reproductive Sciences. 4, 2, p. 70-75 6 p.

Research output: Contribution to journalArticle

79 Citations (Scopus)

Poor sperm quality and advancing age are associated with increased sperm DNA damage in infertile men

Varshini, J., Srinag, B. S., Kalthur, G., Krishnamurthy, H., Kumar, P., Rao, S. B. S. & Adiga, S. K., 05-2012, In : Andrologia. 44, SUPPL.1, p. 642-649 8 p.

Research output: Contribution to journalArticle

43 Citations (Scopus)