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Should intracytoplasmic sperm injection be the method of choice for insemination in patients with poor oocyte quality or unexplained infertility undergoing in-vitro fertilization treatment - a randomised controlled trial on sibling oocytes

Should intracytoplasmic sperm injection be the method of choice for insemination in patients with poor oocyte quality or unexplained infertility undergoing in-vitro fertilization treatment - a randomised controlled trial on sibling oocytes

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-12002731
Enrollment
Unknown
Registered
2012-11-28
Start date
2000-11-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

infertility

Interventions

None listed

Sponsors

Nil
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria:Infertile women with PCOS planning for IVF will be recruited. Informed written consent will be obtained after detail explanation of the purpose and procedure involved in the study. The diagnosis of PCOS is made from the following criteria: 1.clinical symptoms of chronic anovulation and / or hyperandrogenism, together with eithera)an ultrasound appearance of polycystic ovary (a heterechogenic central stroma and at least 10 follicles 1.5Oral glucose tolerance test and test for insulin resistance will be performed prior to the cycle as patients with PCOS are found to have higher incidence of glucose intolerance and insulin resistance (8).

Exclusion criteria

Exclusion criteria: Couple with male factor infertility and unexplained fertilization failure in previous IVF treatments will be excluded from the study.

Design outcomes

Primary

MeasureTime frame
fertilization rates;cleavage rates;embryo quality;

Countries

China

Contacts

Public ContactDr. Wai Yee Wong
alicewywong@cuhk.edu.hk+852 26322583

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026