Comparison between two commercially available embryo culture media

A prospective randomised sibling-oocyte study of two sequential media for culturing cleavage stage embryos

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN24759945

Enrollment

110

Registered

2009-03-13

Start date

2007-10-01

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Infertility Urological and Genital Diseases Female infertility

Interventions

The study included two commercially available sequential media for fertilisation and culture of oocytes. One of the media system was standard in our clinic, while the other media system was standard i

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: All oocytes from patients (aged 24 - 40 years, female) undergoing in vitro fertilisation (IVF) treatment

Exclusion criteria

Exclusion criteria: Does not meet inclusion criteria

Design outcomes

Primary

Measure	Time frame
1. Fertilisation rate, measured at 1 day 2. Polynuclei rate, measured at 2 days 3. Cleavage rate, measured at 2 days	—

Secondary

Measure	Time frame
1. Positive human chorionic gonadotrophin (hCG) rate, measured at 1 - 2 weeks. 2. Clinical pregnancy rate, measured at 12 weeks 3. Implantation rate, measured at 12 weeks 4. Delivery rate, measured at 9 months	—

Countries

Sweden

Outcome results

None listed

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