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Table 1 Data collection and procedures by visit

From: Natural vs. programmed cycles for frozen embryo transfer: study protocol for an investigator-initiated, randomized, controlled, multicenter clinical trial

 

Screening/enrollment

FET cycle

Post FET

Pregnancy confirmation OB scan

Pregnancy follow-up

   

9–14 days post FET

6–8 weeks

Each trimester and delivery

  

Modified natural

Programmed

   

Informed consent

X

     

Eligibility determination

X

     

Demographics

X

     

Medical, reproductive, and obstetric history

X

     

Medication reconciliation

X

X

X

X

X

X

Vital signs

X

   

X

X

Physical exam

X

     

PAP smear will be recommended to be done with gynecologist if not done according to ACOG guidelines

X

     

Ultrasound (transvaginal while at study site)

 

X

X

 

X

X

Estradiol medication self-administration (programmed cycle only)

  

X

X

X

 

hCG self-administration (medication to trigger ovulation)

 

X

    

Progesterone medication self-administration

 

X

X

X

X

 

Embryo transfer

 

X

X

   

Questionnaires

X

  

X

  

Randomization

X

     

Adverse event monitoring

 

X

X

X

X

X

Medical record release

    

X

 

Pregnancy data collection

     

X

Delivery data collection

     

X

Neonatal data collection

     

X

Blood and urine samples for banking at study site (baseline scan of first cycle, 6–8 weeks pregnancy visit)

 

X

X

 

X

 

Blood draw(s) for hormone levels used in cycle monitoring

 

X

X

   

Optional specimen collection at study site

     

X