Clinlical effect of emergency ovum pick-up in the IVF/ICSI cycles with pre-ovulatory serum E2 decrease: a randomized controlled trial

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1800018250

Enrollment

Unknown

Registered

2018-09-06

Start date

2018-09-01

Completion date

Unknown

Last updated

2018-09-10

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

Conditions

Infertility

Interventions

Group 1:Emergency OPU

Group 2:Scheduled OPU

Eligibility

Sex/Gender

Female

Age

20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. The patients who have indications for IVF-ET treatment; 2. The pre-ovulatory E2/-1 E2 ratio was less than 0.73 after the trigger during the IVF/ICSI treatment cycle.

Exclusion criteria

Exclusion criteria: 1. with significant systemic diseases not suitable for pregnancy; 2. hydrosalpinx; 3. acute or chronic reproductive tract inflammation; 4. reproductive tract tumors; 5. failed to complete hormone determination on the trigger day and the next day after trigger.

Design outcomes

Primary

Measure	Time frame
Cancellation rate due to unavailability of embryos;	—

Secondary

Measure	Time frame
Ratio of premature ovulation;Number of viable embryos;Clinical pregnancy rate;	—

Countries

China

Contacts

Public ContactLinhua Sun

Shanghai East Hospital, Tongji University School of Medicine

lihua-sun@163.com+86 021-20334527

Outcome results

None listed

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