GUM + Contraception Flashcards
What is the mechanism of an IUD?
contains copper which is toxic to the egg and sperm thus preventing implantation
How long can an IUD remain effective?
10 years
When is the IUD contraindicated for use?
Abnormal cervix
Unexplained bleeding
Repeated History of STIs
Currrent pelvic infection
Distorted uterus
What is the most effective emergency contraception?
IUD- can be used 120 hours after UPSI (5 days)
What is the only suitable contraceptive option for a patient w/ Hx of breast cancer?
IUD
What is the mechanism of the IUS?
releases progesterone thus interfering with ovulation as it thickens cervical mucus and thins the lining of the uterus
How long can the IUS be used for?
5 years
What are the common SE of using the IUS ?
Irregular bleeding, spotting, amenorrhoea, ovarian cysts
When would the IUS be a useful contraceptive device?
useful for women who get heavy and painful periods
When are IUS use CI?
Breast cancer, PID, Unexpalined bleeding, Abnormal uterus/cervix anatomy
What is the mechanism of the implant and how long can it be used for?
releases progesterone thus interfering with ovulation as it thickens cervical mucus and thins the lining of the uterus.
Can be used for 3 years
SE of implants?
periods may stop, become longer, or become irregular + ACNE
What is the mechanism of Combined Hormonal Contraception (CHC)?
Contains oestrogen (inhibits ovulation) and progesterone
What are the different ways the CHC can be administerd?
Oral
Transdermal
Intravaginal
What are the different types of COCP?
1) Monophasic- each pill contains the same doe of hormones
2) Phasic- pills contain differing amounts of hormones which must be taken in the correct order
3) Everyday pills- usually contains 21 hormone pills and 7 hormone free pills
List 5 CI of using CHC?
Less than 6wks postpartum and breastfeeding
RF of VTE
Previous VTE, IHD, Cerebrovascular incident, AFib
Current Breast Cancer
Being age 35+ and smoking >15 cigarettes
Migraine with aura
Liver cirrhosis, hepatocellular adenoma/carcinoma
What are the 4 different regimens for taking CHC?
TRADITIONAL- Takes one pill per day/one patch per week/one vaginal ring for 3 weeks followed by 7 day HFI
EXTENDED USE- Continuous use for 9 weeks followed by 7 day HFI
CONTINUOUS USE- continuos use w/o HFI
FLEXIBLE EXTENDED USE- user uses the method until bleeding and when bleeding occurs 4 day HFI
If the COCP is started on the 1st day of the natural period cycle, is extra contraception required to protect from pregnancy?
No, the suer will be protected form pregnancy immediately
If the COCP is started on anytime during cycle, is extra contraception required to protect from pregnancy?
Yes, user will need to use additional precautions (condoms) for 7 days
Give a name for oral progesterone only contraceptive?
Desogestrel
How long does the OCP need to be taken for in order to be effective?
7 days
What is the scoring metric used for the potential cautions and CI of COPC use?
UKMEC
What are the two ways in which HRT can be used?
1) CYCLICALLY- for perimenopausal women who still continue to have periods
2) CONTINUOUSLY- for postmenopausal women who do not have periods
List 3 benefits of HRT?
Relief of vasomotor sx
Relief of urogenital sx
Decreases risk of osteoporosis
List 3 risks of using HRT?
Increases risk of breast cancer
Increases risk of endometrial cancer
Increases risk ok VTE
What annual check is recommended to women who use the OCP?
Blood pressure
What haemantic tests are required in IDA and what would they show?
Total Iron Binding Capacity- HIGH
Ferritin- LOW
Cases of Microcytic anaemia?
Thalassemia
Anaemia of chronic disease
IDA
Lead poisoning
Sideroblastic Anaemia