seminar presentation molina dayal md 9-13
DESCRIPTION
The basics of In Vitro Fertilization. Presented by Molina Dayal, MD of the Sher Institute for Reproductive MedicineTRANSCRIPT
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In Vitro Fertilization: the basics….
Molina B. Dayal, MD
Medical Director
Sher Institute for Reproductive Medicine, St. Louis
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All Couples1 in 8 Couples
Age 30-341 in 6 Couples
Age 35-391 in 4 Couples
Age 40-441 in 2 Couples
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Inability to conceive after one year’s worth of regular unprotected intercourse:
Can this be applied to everyone?
Age.
Ovulatory status.
Known tubal or male issues.
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Infertility --- Basic Statistics
20-25% couples conceive/month in 1st year
85% of couples will have conceived in one year
Those 15% who did not conceive will have a monthly chance of conception of 2-3%/month
2-3%/month is achieved after just 6 months if the woman is 35 years old or older
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Causes of infertility
• Ovulatory Factor
• Egg Factor
• Tubal Factor
• Uterine Factor
Sperm Quality
50%
10%
40%
Unknown
Immunologic
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Assessment of ovulation
Ovarian reserve screening
Assessment of pelvic anatomy
(Hysterosalpingogram (HSG))
Semen Analysis
Immunologic
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What should be done with the information?
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Cause of Infertility
• Ovulatory Factor
• Decreased Ovarian Reserve
• Tubal Blockage Or Abnormality
Treatment
• Ovulation Induction• Clomid, etc
• IVF• ?Egg donor
• IVF• Surgery very unlikely to be
successful
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Cause of Infertility
• Mild Male Factor
• Moderate to Severe Male Factor
• Uterine Factor
Treatment
• Fertility Meds + IUI
• IVF (ICSI)
• Surgery
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Cause of Infertility
• Unexplained
• Immunologic
Treatment
•Fertility Meds + IUI
•IVF
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A few words about Intrauterine Insemination (IUI)
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Overall IUI Success Rates
15% for women under the age of 30, 12% for women ages 30 to 35, 7% to 8% for women ages 35 to 39< 2% for women over the age of 40.
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Clomid with IUI
Success rate dependent on age of female and sperm quality of male
<35 years old ---- 10%
35-40 years old ---- 5%
>40 years old ---- <2%
Unfortunately, Clomid can have a negative impact on uterine lining (therefore approx ½ chance of success compared to overall chance with IUI)
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Unexplained Infertility: Intrauterine Insemination
Study Likelihood of Pregnancy per Month
IUI vs. No treatment 4% vs. 3%
Clomid alone vs. No treatment 3% vs. 3%
Clomid + IUI vs. No treatment 8% vs. 3%
FSH inj + IUI vs No treatment 12% vs. 3%
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Intrauterine Insemination (IUI)
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IVF is oftentimes thought of as a ‘last resort’ but it shouldn’t be….
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IVF should be considered as the FIRST line treatment if….
Male factor (abnormal semen analysis)
Tubal factor (blocked or diseased fallopian tubes)
Advanced maternal age
Pre-implantation genetic diagnosis/cGH testing
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IVF should be considered as the FIRST line treatment if….
Pre-implantation genetic diagnosis (single gene disorders/disease carrier states)
Protracted infertility
Immunologic Implantation Dysfunction
Need for gestational carrier
Fertility Preservation
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What is IVF?
It is the fertilization of eggs with sperm/generation of embryos outside the body
Multi-step process
Medications (“protocols”) for patients are individualized to optimize outcome
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IVF: Manipulation of Normal Physiology
FSH
E2
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Deprogramming
Birth control pill
Lupron
Ganirelix
De-programs hypothalamic/pituitary axis.
Prevents ovulatory/LH surge.
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Stimulation of Follicles
Using FSH (follicle stimulating hormone) to stimulate follicles
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Ultrasound Guided Oocyte Retrieval
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The Fertilization Procedure
Intracytoplasmic Sperm Injection(ICSI)
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Fertilization Check
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Embryos at the Blastocyst Stage
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Embryo transfer
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Solving the Embryo Selection Dilemma
Blastocyst transfer
cGH testing
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Embryo Selection Dilemma
Issues related to the transfer of early cleavage stage (day 3) embryos
- Which is normal?
Morphology scoring:Cleavage rate.
Blastomere symmetry.Degree of fragmentation.
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Embryo Aneuploidy
40/normal appearance 67%
40/abnormal appearance 70%
Munne et al, Fertil Steril. 1995.
Chromosomal abnormality rates in embryos increase with maternal age even if the embryos appear normal
Age/Embryo Type (on day 3):Rate of Chromosome
Abnormalities:
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Why a blastocyst transfer?
Depending on maternal age, the majority of blastocysts are chromosomally normal.
More efficient (less risk of high order multiple pregnancies).
More physiologic.
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Why cGH?
While the majority of blastocysts are normal in younger women, this does not hold entirely true in older women.
Able to screen embryos, with high accuracy, for chromosomal abnormalities (Down Syndrome, etc) before an embryo transfer is performed.
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Testing for Aneuploidy/Single Gene Disorders:The Embryo Biopsy
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Following Embryo Biopsy
Report generated indicating findings from genetic analysis.
Patient and physician decide how many and which embryos to transfer.
Normal embryos are transferred/stored for later use while abnormal ones are disposed.
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Additional Advantages of IVF
Assessment of ovarian reserve.
Assessment of fertilization.
Control number of embryos placed in uterus.
Ability to freeze/store embryos for later use.
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Take Away Points
Seek evaluation from a fertility specialist after one year of infertility (or sooner if the woman >35 years old, has irregular cycles or there is a known male factor)
Consider fertility medications + IUI in cases of unexplained infertility, limiting treatment to no more than 3 attempts
Consider IVF as first line treatment when ovarian reserve is of concern, tubal disease/blockage and male factor are present, multiple IUI’s have failed, if an immunologic implantation issue is discovered, or you are interested in cGH testing.
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Thank you!
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