contraception and...
TRANSCRIPT
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Contraception and peri-menopause
A Beliard, Department of Obstetrics & Gynecology
CHR, Liege University
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Definition of peri-menopause
Menopausal transition=
Interval in which a woman's body makes a natural shift from more-or-less regular cycles of ovulation and menstruation toward permanent infertility, or menopause
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40 45 50 55 60
Mean age of menopause
Ovarian activity period
= premenopause
Menopause orpost-menopause
Perimenopause
1 year of amenorrhea
Prem
enop
ause
Symptoms of perimenopause• Cycle perturbation (menstrual irregularties)• Luteal Insufficiency)
Menopause: progressive transition
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Fertility and peri-menopause• Progressive loss of follicular population
• 6 to 7 106 at 20 week’s gestation• 1 to 2 106 at birth • 300 to 500.000 at puberty• a few hundred at the MNP
• The reproductive potential is variable even with apparently normal menstrual cycles
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Natural fertility by age
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Fertility and peri-menopause
•Evaluation• US: antral follicles count and ovarian volume• Basal FSH: cut off of 10 IU/ml, ≥ 15 IU/ml• Inhibin-B < 45 pg/ml• AMH: cut off 0.2 ng/ml
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Risks of an Unplanned Pregnancy in Perimenopause
• Risk on unwanted pregnancies• Pregnancy and health risk• Miscarriage risk 50%
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Birth Control at Midlife
• Protection to prevent pregnancy• Protection to prevent STD
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Barriers: Condom, spermicide, IUD, sterilization, vasectomy, hysterectomy
CHC: co-morbidities Progestins
Birth Control methods
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Essure
• Advantages: • Effective outpatient procedure• Requiring only oral anaesthesia• Ideal procedure for women with co-morbidities (obesity, cardiorespiratory disease, complex abdominal issues)
• Disadvantages: • Expensive, not reimbursed• Expertise• Not effective immediately
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Contraception methods and age in UK
Gebbie and Hartmann, Menopause Intl 2010
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Sexually active women using contraception in Belgium (%)
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Abortion in Belgium
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Emergency contraception
• Embarrassing to ask for it• All methods can be used as in younger women (IUD, LNG, UA)
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IUD
• Advantages: safe and efficient• Disadvantages: Weak tolerance
• Abnormal uterine cavity (myomas)• No effect on DUB• No effect on vasomotor symptoms
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LNG-IUD: advantages
• Contraception + DUB control• Can be combined with estrogens in case of vasomotor symptoms• Can be maintained when MNP occurs: as part of a hormone replacement therapy regimen
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LNG-IUS: disadvantages
Some women experienced hormonal side effects• Breast pain• Fluid retention• Acne• Mood swings
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CHC
• Advantages: stable hormonal situation• Disadvantages
• 2d generation: lipidic profile and glucidic tolerance• 3d and 4th: coagulation factors
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Gebbie and Hartmann, Menopause Intl 2010
Non contraceptive benefits of CHC in older women
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CHC: no restriction of use or advantages > risks
• History of gravidic hypertension and normal tension• Overweight: 30 < BMI < 34• Familial history of VTE > age of 45• Varicosity, superficial phlebitis• Valvular disease without complication
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CHC: more risks than benefits
• Treated Hypertension• Mild Hypertension: 140-149/90-99• Smoking: < 15 cigarettes• Dyslipidemia• Obesity: BMI ≥ 35• Gallbladder disease needing treatment
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Pomp Br J Haematol 2007;139:289-96
VTE and BMI
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BMI in Belgium
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CHC: contra-indicated
• Smoking: > 15 cigarettes• Previous VTE, ongoing VTE, thrombotic mutation• Familial history of VTE < age of 45• Migraine with aura• Diabetes with complications• Association of risk factors: HTA – Diabetes• Breast cancer
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Van Hylckama Vlieg et al, BMJ 2009
VTE and age
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Pomp Br J Haematol 2007;139:289-96
VTE and genetic mutation
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CHC: contra-indicated
• Hypertension > 160/100• Hypertension + vascular disease• Stroke, MI, angor, valvular disease with complications
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CHC with estradiol
• Could have an improved cardiovascular profile• Clinically significant reduction in CV risk should be proven • Almost same bleeding profile as 20 EE• Missing pills more complicate to manage with Qlaira®
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Progestins
Macro progestins oralImplantsMicro progestins
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Progestins: advantages
• Highly effective in older women• Useful in women with pre-existing medical conditions (cv disease) with contra-indication for estrogens
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Progestins: disadvantages
• Menstrual disturbance: anxiety concerning pathology• Amenorrhea: confusion about diagnosis of MNP
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Macro progestins
Anti-estrogenic effect• PMS, breast pain• Bloating• Menorragia, endometrial hyperplasia
No metabolic perturbation
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