Contraceptives: time till effective (if not the first day of period).
- IUD (1)
- POP (1)
- others (1)
instant: IUD
2 days: POP
7 days: COC, injection, implant, IUS
Emergency contraceptives:
When to avoid EllaOne (uliprisatal) (1)
asthma
Nexplanon (estronogestrel):
where inserted?
subdermal
COCP and surgery:
when to stop (1)
4 weeks before
Mitch to progesterone only
COCP:
UKMEC 4 criteria
more than 35 years old and smoking more than 15 cigarettes/day
migraine with aura
history of thromboembolic disease or thrombogenic mutation
history of stroke or ischaemic heart disease
breast feeding < 6 weeks post-partum
uncontrolled hypertension
current breast cancer
major surgery with prolonged immobilisation
positive antiphospholipid antibodies (e.g. in SLE)
Contraceptive side effects:
osteoporosis (1)
weight gain (1)
DEPO for both (and delayed return to fertility)
Anti-epileptics and contraception:
- phenytoin,carbamazepine, barbiturates, primidone, topiramate, oxcarbazepine (3)
- lamotrigine (1)
The pills are the problem
Coil/ Depo good for all
UKMEC 3: the COCP and POP
UKMEC 2: implant
UKMEC 1: Depo-Provera, IUD, IUS
For lamotrigine:
UKMEC 3: the COCP
UKMEC 1: POP, implant, Depo-Provera, IUD, IUS
POP late:
what to do? (1)
which is the exception to this rule (1)
Traditional’ POPs (Micronor, Noriday, Nogeston, Femulen)
-If less than 3 hours late > no action required, continue as normal.
Cerazette (desogestrel)
-If less than 12 hours late > no action required, continue as normal
Which contraception contraindicated >50?
DEPO (osteoporosis)
Mechanism of action:
- POP (other than desogestrol)
- desogestrel-only
- injectable
- IUS
- levonorgestrel
- IUD
- implant
- COCP
POP (EXCEPT desogestrel): thickens cervical mucus
IUS: prevents endometrial proliferation
IUD: toxic to ovum and sperm
THE REST STOP OVULATION.
COCP and postpartum - when to avoid
breast feeding < 6 weeks post-partum= UKMEC 4
stroke / IHD + COCP
UKMEC 4
current breast cancer contraceptive
only IUD
Cerazette (desogestrel) - why special
POP with 12hr window
Fraser gudeliens_ what ages
<13= ILLEGAL
13-15= Fraser
16+= allowed
when does Nexplanon work straight away
if inserted in first 5 days of period
how long does neplaxon last
3 years
what does neplaxon interact with
enzyme-inducing drugs such as certain antiepileptic and rifampicin may reduce the efficacy of Nexplanon
when should levonorgestrel 1.5mg dose be changed (2)
1) BMI >26 or weight over 70kg –> DOUBLE DOSE
2) enzyme inducing drugs
levonorgestrel - when to repeat dose
if vomit within 3hr
when can you start hormonal contraceptive after: levonogestrel (1)
EllaOne (ulipristal) (1)
What is the most common adverse effect experienced by women taking the progestogen only pill?
irregular bleeding
postpartum contraceptive
progesterone after day 21
OR IUS/IUD within 48hr of childbirth OR after 4 weeks
NOTE:
COCP contraindicated <6 weeks postpartum if breastfeeding
UKMEC 2 6weeks-6 months
pregnancy interval optimal
An inter-pregnancy interval of less than 12 months between childbirth and conceiving again is associated with an increased risk of preterm birth, low birth weight and small for gestational age babies.