Evidence map›Paper›PMID 25012823›Full record

ArticleJournal of assisted reproduction and genetics2014

The effect of progesterone level prior to oocyte retrieval on the numbers of oocytes retrieved and embryo quality in IVF treatment cycles: an analysis of 2,978 cycles.

Haiyan Zhu, Liu Liu, Lingyun Yang, Yamei Xue, Xiaomei Tong, Lingying Jiang, Songying Zhang

Abstract read
In one paragraph

Article in Journal of assisted reproduction and genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

  1. Trial
  2. Association Between Post-Trigger Hormones andJournal of clinical gynecology and obstetrics · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. The curious case of premature luteinization.Journal of assisted reproduction and genetics · 2018
    Review
  9. Article
  10. Article
  11. Premature Progesterone Elevation inJournal of human reproductive sciences
    Article
  12. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Haiyan ZhuDepartment of Obstetrics and Gynecology, Sir Run Run Show Hospital, College of Medicine, Zhejiang University, 3# East Qing Chun Road, Hangzhou, 310016, China.
Liu Liu
Lingyun Yang
Yamei Xue
Xiaomei Tong
Lingying Jiang
Songying Zhang

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe study was designed to evaluate the relationship between serum progesterone (P4) response after hCG administration and the number of oocytes retrieved and the embryo quality in fresh IVF cycles.

methodsWe conducted a retrospective cohort study of women aged 24-43 years who underwent first fresh IVF cycle from 2011 to 2013 at a single practice. We compared the post-hCG serum P4 level with values on the day of hCG trigger. Patients were analyzed in long and short protocols independently. In addition, patients were stratified by post-hCG P4 response. Number of oocytes retrieved and embryo quality were the primary outcomes of interest. Ordinary least square regression models and logistic regression analysis models were created to identify predictive factors associated with embryological outcomes while adjusting for potential confounders.

resultsAmong the 2,978 IVF cycles, 2,484 patients were in long protocols, and 494 patients were in short protocols. After adjusting for patient age, rFSH duration, and basal FSH levels, the associations between P4 response after hCG administration and number of oocytes retrieved (P < 0.001) remained statistically significant in both long and short protocols. Additionally, mature oocyte rate, fertilization rate, good quality embryo rate, pregnancy rate and implantation rate were not significantly associated with the P4 increase when adjusting for the same factors. However, pregnancy rate and implantation rate from frozen-thawed cycles increased gradually across the seven groups.

conclusionsPost-hCG P4 levels were positively associated with the number of oocytes retrieved, but did not affect oocyte or embryo quality. Our study suggests that the change in the post-hCG P4 level is another parameter that can be used by clinicians to assess the number of oocytes retrieved, and may further to estimate the pregnancy rate and live birth rate indirectly.

Indexed as

Oocyte RetrievalAdultEmbryo, MammalianFemaleFertilization in VitroHumansPregnancyPregnancy RateProgesteroneRetrospective StudiesProgesterone

Identifiers

PMID25012823
PMCPMC4156951

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.