26-Infertility Flashcards
What is fecundability?
Probability of achieving a pregnancy in any given cycle
What is fecundity?
Ability to achieve live birth within 1 menstrual cycle (20%), in 3 months (50%), within 1 year (85-90%)
What is infertility?
Inability to conceive within 1 year of frequent, unprotected intercourse
What is the correlation between aging and reproduction?
Fertility peaks between age 20-24
Fertility gets lower as we age and steepen at 37
Decrease is due to declining and aging of oocytes
What are the causes of infertility in couples?
Male factor (35%) Ovulatory dysfunction Unexplained Unusual causes Tubal or pelvic pathology
What are the causes of infertility in women?
Ovulatory dysfunction (40%)
Unexplained
Unusual
Tubal or pelvic pathology
What is the basic evaluation of a female with infertility ?
History ( prior pregnancies, surgery) Physical exam (BMI, thyroid,anomalies) Screening tests (pap,std, rubella)
What is the evaluation of male ?
35% infertility is from male partners
Always order a semen analysis
If semen analysis abnormal refer to specialist
Normal semen: >20 million sperm, 50% forward motility, 50% normal morphology , 2 mL volume
How to diagnose an ovulatory dysfunction ?
Basal body temp Progesterone levels Menstrual history Urinary LH Endometrial biopsy Only definitive evidence of ovulation is pregnancy all tests have limitations
How to induce ovulation?
Treat other problems ie hypothyroidism SERM therapy Aromatase inhibitors Insulin sensitizers in combo with other therapies GnRH agonist
What is used for SERM therapy ?
Clomiphene citrate is most commonly used
Tamoxifen
What are the side effects and risks?
Hot flushes mood Swings breast Tenderness pelvic Pain Visual disturbances Multiple pregnancy rate
What are the alternatives to clomid failure?
Insulin sensitizers-metformin induce ovulation in PCOS
Dexamethasone addition to clomid
Aromatase inhibitors- increase FSH
What is the treatment of tubal infertility ?
Many reconstructive tubal surgical techniques exist but IVF more common due to financial reason
What is the treatment of endometriosis from a fertility standpoint?
Medical therapy- no evidence
Surgery- restoration of normal anatomy , destruction of minimal or mild endometriosis lesions