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Chapter-78 Frozen Embryo Transfer

BOOK TITLE: Principles and Practice of Assisted Reproductive Technology

Author
1. Pai Rishma Dhillon
2. Palshetkar Nandita
3. Palshetkar Rohan
4. Shah Kinjal
5. Pai Hrishikesh
6. Pai Arnav
ISBN
9789352705030
DOI
10.5005/jp/books/18020_79
Edition
2/e
Publishing Year
2019
Pages
12
Author Affiliations
1. Jaslok and Lilavati Hospitals, Mumbai, Babies and US, Fertility, IVF and ICSI Centre, Mumbai, Lilavati, Jaslok and Hinduja Hospitals, Mumbai, Maharashtra, India; International Federation of Fertility, Societies (IFFS); FOGSI, ISAR, IAGE, MOGS, Lilavati and Jaslok Hospitals, Mumbai, Maharashtra, India; Indian Society of Assisted Reproduction,IAGE, FOGSI; Mumbai Obstetrics and Gynecological Society, Lilavati and Jaslok Hospitals, Mumbai, Maharashtra, India; Indian Society of Assisted Reproduction, IAGE, FOGSI, MOGS, Jaslok and Lilavati Hospitals, Mumbai, Fortis Hospitals, New Delhi and Mohali, Jaslok, Hinduja and Lilavati Hospitals, Mumbai, Maharashtra, India, Lilavati, Jaslok and AMP; Hinduja, Healthcare (Khar) Hospitals, Mumbai, Maharashtra, India, Jaslok and Lilavati Hospitals, Mumbai, Maharashtra, India; All India Congress of Obstetrics and Gynaecology (AICOG) 2013, Mumbai; FOGSI; Indian Society for Assisted Reproduction; Mumbai Obstetric and Gynecological Society, Jaslok and Lilavati Hospitals, Mumbai, Mah
2. Palshetkar Patil Nursing Home, Mumbai, Maharashtra, India; Lilavati Hospital’s Bloom IVF, Centre, Bandra; DY Patil Hospital’s Bloom IVF, Centre, Navi Mumbai; La Femme Fortis Bloom IVF, New Delhi, India; Fortis Bloom IVF Centre at Fortis, Hospital, Chandigarh; Bloom IVF Centre, Nashik, DY Patil Medical College, Navi Mumbai; NINE BLOOM IVF Centers, Mumbai, Maharashtra, India, ISAR; FOGSI, IAGE, AMOGS, MOGS, FOGSI Representative to FIGO, DY Patil Medical College Navi Mumbai; IVF Centers, Mumbai, Maharashtra, India, DY Patil Medical College Navi Mumbai; Mumbai, Maharashtra, India, DY Patil School of Medicine, Navi Mumbai, Maharashtra, India, Bloom IVF Group, New Delhi/Mohali/Vashi and Lilavati Hospital Mumbai; DY Patil Medical College, Mumbai and Group; MOGS, FOGSI; FOGSI, FOGSI 2019; Dr DY Patil Medical College, Hospital and Research Centre, Navi Mumbai, Maharashtra, India, Lilavati and Bhatia Hospitals, Mumbai; DY Patil Medical College, Navi Mumbai; Fortis Hospitals, New Delhi, Gurgaon and Mohali, FOGSI 201
3. Surya Hospitals, Breach Candy Hospital Trust, Palshetkar Patil Nursing Home, Mumbai, Maharashtra, India, Palshetkar Patil Nursing Home, Mumbai, Maharashtra, India, Mumbai, Maharashtra, India, Bloom IVF and DY Patil Medical College, Mumbai, Maharashtra, India, DY Patil IVF Center Navi Mumbai, Navi Mumbai, Maharashtra, India, DY Patil School of Medicine, Mumbai, Maharashtra, India, Dr DY Patil Medical College, Hospital and Research Center, Navi Mumbai, Maharashtra, India, Unit Head DY Patil Bloom IVF, Navi Mumbai, Maharashtra, India, MSR, Mumbai, Maharashtra, India, DY Patil Medical College, Mumbai, Maharashtra, India, DY Patil School of Medicine; Maharashtra Chapter of ISAR, 2018–2020; MOGS Youth 2018–2019, DY Patil Medical School of Medicine, Navi Mumbai, Maharashtra, India; MSR, Maharashtra Chapter of ISAR, (2018–2020), MOGS Youth Council (2018–2019), DY Patil IVF Center, Navi Mumbai, Maharashtra, India, DY Patil Medical College, Pune, Maharashtra, India, Bloom IVF, Mumbai, Maharashtra, India
4. Bhatia Hospital; MOGS Youth Council, Bloom IVF—Lilavati Hospital, Mumbai, Maharashtra, India
5. Lilavati Hospital, Mumbai, Fortis Hospital, New Delhi, Gurugram, Noida, Faridabad, DY Patil Hospital, Mumbai, Maharashtra, India, Bloom IVF; BAUFICI Genetics; FOGSI; IFFS; ISAR, IAGE, MOGS and MSR; Indian SIG ASRM, BAUFICI Genetics, Indian SIG ASRM, Bloom IVF Group, Mumbai, Maharashtra, India, Lilavati and Bhatia Hospitals, Mumbai; DY Patil Medical College, Navi Mumbai; Fortis Hospitals, New Delhi, Gurgaon and Mohali, Bloom IVF; FOGSI 2015-17; Lilavati Hospital, Mumbai, Maharashtra, India, Lilavati Hospital and Research Centre; Bloom IVF, Mumbai, Maharashtra, India, Fortis Hospitals—Gurugram, Delhi, Mohali, Navi Mumbai, DY Patil Hospital—Navi Mumbai, Sakra Hospital—Bengaluru, Lilavati Hospital—Mumbai; Bloom IVF Group, Mumbai, Maharashtra, India
6. DY Patil Hospital, Navi Mumbai, Maharashtra, India, Jaslok, Hinduja and Lilavati Hospitals, Mumbai, Maharashtra, India, DY Patil Medical College, Pune, Maharashtra, India, Dr DY Patil, Hospital and Research Center, Navi Mumbai, Maharashtra, India
Chapter keywords
Frozen embryo transfer, FET, in vitro fertilization, ovarian hyperstimulation syndrome, controlled ovarian stimulation, natural cycle FET, stimulated cycle FET, progesterone supplementation, cryoprotectant agent

Abstract

This chapter seeks to familiarize the readers with frozen embryo transfer (FET). Today with improved cryopreservation techniques which reduce embryo cryodamage, the confidence in cryopreservation and FET has substantially increased. Cohort banking is also becoming a routine after the use of a gonadotropin-releasing hormone (GnRH) agonist \\'trigger\\' to prevent ovarian hyperstimulation syndrome (OHSS) in high responders. Other reasons for the increased use of FET include an overall reduction in the average number of embryos transferred each time, thus allowing surplus embryos to be cryopreserved. Indications and different methods for FET are defined briefly in this chapter. A detailed discussion on ideal duration of progesterone supplementation before embryo transfer and fresh versus frozen embryo transfer has been also given in this chapter.

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