Getting Pregnant with Frozen Oocytes:
Frozen Embryo Transfer Schedule

Thawed Embryo Transfer Schedule Details

Schedule for oocyte thawing

  Please be sure your appointment is made for oocyte thawing and micro-insemination at least two days in advance by the doctor.
On the Day
Day 0
Oocytes are thawed,
semen is collected,
micro-insemination is performed,
and hormonal medication continues.
Progesterone support begins strictly at 2 PM
Calcium ionophore is also used for micro-insemination of frozen oocytes and sperm.
Semen must be submitted by 10 am. (At Sumiyoshi, submit at the nurse station on the 2nd floor, at Ginza, submit at reception.)
Please bring semen within 2 to 3 hours after collection as much as possible (up to 7 hours is possible.)
For in-hospital semen collection, please come to the reception desk on the 2nd floor for Sumiyoshi and the reception desk for Ginza by 9:30.
After submitting the semen, please wait about 30 minutes while the lab staff confirm the presence of sperm and the plan.
The lab staff will confirm the approximate freezing period of the embryo and any limit you wish to place on frozen embryos, if applicable.
Embryo development is confirmed on the 1st and 3rd days of fertilization.
If you would like to confirm the embryo development on the 1st and 3rd days, please call us from 10:00 to 19:00 on weekdays and from 10:00 to 17:00 on weekends and holidays.
Day 3 Some embryos may be frozen on day 3
Day 5 Day 5/blastocyst freezing  
Day 6    
Day 7 In special circumstances culture may continue until day 7  
Day 12 Oocyte/Embryo Explanation You can have an explanation of your culture results on this day.
If you wish to transfer embryos the next month, apply for transfer with USG before the cycle.

Thawed Embryo Transfer Cycle

Before menstruation (Around one week before menstruation) Provide prepayment and documents, receive cycle medications
Menstruation Day 1 Call on the first day of menstruation.
Confirm negative pregnancy test.
This should be the first day when you see normal menstruation. If it occurs after 6 PM, the next day is day 1. The next visit will be on approximately CD12.
  2 Hormonal medication starts  
  3
|
11
 
Approx.
CD12
12 Visit the clinic for ultrasound of endometrium.
If the endometrium is OK, progesterone starts at 2:00 pm (or 3:00 pm).
The start date of progesterone is the fertilization date.
If the endometrium is 7 mm or more, the thaw date will be determined two days after the next day.
If it is less than 7 mm, check again in a few days.
In case of thawing cancellation, a cancellation fee will be charged from the afternoon of the day before thawing.
If the endometrium is OK at night, progesterone will start the next day.
  13 ↓⇓  
  14 ↓⇓  
3rd day after fertilization 15 Day 3 ET: Visit for procedure
↓⇓
Embryo transfer: Please come to the Sumiyoshi 2nd floor hospitalization reception desk or Ginza reception desk at 2:00 pm (or 3:00 pm).
  16 ↓⇓  
5th day after fertilization 17 Day 5 ET: Visit for procedure
↓⇓ 
Embryo transfer: Please come to the Sumiyoshi 2nd floor hospitalization reception desk or Ginza reception desk at 2:00 pm (or 3:00 pm).
  18

29
↓⇓  
18th day after fertilization 30 ↓⇓ 
Pregnancy test