Cytokines and endometrial receptivity after intracytoplasmic sperm injection — A cohort study at Islamabad

Rehana Rehman, Mussarat Ashraf, Anila Jasmine, Karishma Lal, Faiza Alam

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Objective: To evaluate the role of tumour necrosis factor alpha and interleukin-6 in conception after assisted reproductive treatment. Methods: The longitudinal cohort study was conducted from August 2014 to May 2015 and comprised patients undergoing intracytoplasmic sperm injection at the Islamabad Clinic Serving Infertile Couples, Islamabad, Pakistan. During the procedure, endometrial thickness was measured on the day of ovulation induction and serum tumour necrosis factor alpha along with interleukin-6 were measured on the embryo transfer day. Subjects were divided into groups, with non-pregnant females in Group A and those with confirmed foetal cardiac activity in Group B and non-pregnant females were divided into two groups. The difference between the groups and the association of cytokines with endometrial thickness were measured. Results: Of the 131 subjects, 79(60%) were in Group A and 52(40%) in Group-B. The mean level of interleukin-6 was 49.65±3.04 in Group B and 104.14±76.03 in Group A, with significant inverse correlation with endometrial thickness (p<0.001). The level of tumour necrosis factor alpha were significantly higher in Group-B compared to Group-A (p<0.001). Conclusion: The pro-inflammatory cytokine, tumour necrosis factor alpha, takes part in preparation of endometrial lining for implantation of embryo in assisted reproductive treatment procedures.

Original languageEnglish
Pages (from-to)862-866
Number of pages5
JournalJournal of the Pakistan Medical Association
Issue number6
Publication statusPublished - Jun 2018
Externally publishedYes


  • Endometrial thickness
  • Infertility
  • Interleukin-6
  • Intracytoplasmic sperm injection
  • Tumour necrosis factor alpha


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