Yasmin Magdi

IVF lab director at Al-Yasmeen fertility and gynecology center , PhD student in nano-biotechnology

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Recent Comments

Dec 21, 2019
Replying to Ben Willem J. Mol

Dear editor, dear authors,

With interest I read the article of Magdi et al. This study is labelled as a prospective cohort study in the abstract and in the full text. "This prospective cohort study was conducted at a specialized fertility and gynecology center from April 2014 to October 2016. "

In the text the authors write "A total of 171 women with RIF were randomly assigned on the day of oocyte retrieval by use of a computer-based Microsoft Excel spreadsheet into two groups: ...."

Could the authors explain what has happened here. 

Was this an RCT or not?


Professor Ben Mol 



Professor of Obstetrics and Gynaecology

NHMRC Practitioner fellow

Email ben.mol@monash.edu 

www.studies-obsgyn.nl| www.globalobstetricsnetwork.org



Department of Obstetrics and Gynaecology Monash University Monash Medical Centre

246 Clayton Road

Clayton Victoria 3168



Thanks Prof. Ben for your comment

It is not RCT.

Dec 21, 2019

In View of some questions about our study, we performed a re-analysis. Although the main final outcome data turned out to be robust, there was a discrepancy in the baseline data on female age and BMI in the published article and the original dataset re-analyzed by Madelon van Wely & Rik van Eekelen.






Fresh n=90

Frozen n=81

Fresh n=90

Frozen n=81








Female age

31.18 (SD 3.41)

31.47 (SD 2.55)

30.18 (SD 3.41)

31.47 (SD 2.55)

p for difference: 0.005


26.72 (SD 2.19)

27.11 (SD 2.26)

26.02 (SD 2.19)

27.11 (SD 2.26)

p for difference: 0.002

Also, there exists a difference in the number of multiple pregnancies between the paper and the data as follow:

Multiples (Sac variable?)




23 (including a quadruplet...)