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Topics: STIs, Contraception, Abortion, Endometriosis, PCOS, Ectopic pregnancy
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Name the bacterial STIs
Chlamydia, Gonorrhoea, Syphilis, Trichomoniasis
Name the viral STIs
HSV (Herpes simplex virus ), HPV (Human papilloma virus), HIV (Human immunodeficiency virus)
What are the symptoms of Chlamydia ?
Often a symptomatic however symptoms include, purulent vaginal discharge, post coital bleeding, lower abdominal pain, mucopurulent cervicitis
What is the treatment for chlamydia ?
Antibiotic treatment; doxycycline (unsafe during pregnancy), erythromycin, amoxicillin
Symptoms of Gonorrhoea?
Increased and abdominal pain, dysuria, intermenstrual bleeding, Menorrhagia
What are the implications of Gonorrhoea during pregnancy/birth
Gonorrhoeae can be transmitted to the newborn via maternal genital tract during birth with a transmission rate 30-50%. Manifests as gonoccocal ophthalmia neonatorum & and can cause blindness
What is the treatment for Gonorrhoea
Treated with penicillin & probenecid
What are the disease stages of Syphilis
Primary 10-90 days post exposure, secondary 2 weeks- 6 months after exposure, latent 2 years after exposure, tertiary 3 years or more after exposure with neurological and vascular involvement
Describe characteristics of primary syphilis
painless genital sore (chancre), lymphadenopathy (lymph node enlargement) 3-6 weeks post exposure
Describe characteristics of secondary syphilis
Involvement of lymph nodes, generalised rash and warts
How does syphilis impact pregnancy?
Syphilis can pass through the placenta and is associatd with; spontaneous abortion, stillbirth/neonatal death, LBW, PROM, chorioamnionitis, premature birth, postpartum endometritis (inflammation/infection of uterine lining)
What is Trichomoniasis and what are some symptoms
Is a protozoan (single cell organism). symptoms include green vaginal discharge, dysuria, vulval itching and offensive odour, dysparaunia, strawberry cervix
Treatment for Trichomoniasis ?
Metrondiazole (Flaygl)
What is type 2 HSV
Is herpes simplex virus and is genital/anal lesions. Its a viral infection which can be transmitted to newborns
How does HSV type 2 present?
Tingling pain, genital blisters, dysuria & retention, anorectal spasm, vaginal discharge and lymphadenopathy
What is the treatment for genital herpes ?
Treatment is symptomatic not curative. Primary infection treatment and recurrent infection treatment uses antiviral therapy
What is HPV ?
Human papilloma virus has over 20 different types that can infect the genital area with a 60% infection rate in sexually active adults
How is HPV/genital warts treated
Antiproliferative agents (inhibit cell division) as well as ablative methods (laser, cryotherapy) and immune response enhancements (imiquinod cream)
What are barrier methods of contraception?
Male condoms
Female condoms where ring sits behind the pubic bone, diaphragms (dome shaped rubber cap with flexible rim)
What are the differences between the 3 types of contraceptive pills
Monophasic pills: same does of oestrogen and progesterone for 21 days
Biphasic pills: same dose of oestrogen but higher progesterone in second half of cycle
Triphasic: oestrogen altered mid cycle, progesterone increases in 2 stages
How do hormonal contraceptives work?
Suppress ovulation through inhibition of hypothalamic-pituitary-ovarian feedback system, thicken cervical mucus to inhibit sperm penetration and create a sub-optimal endometrium
How does the hormonal contraceptive pill work?
Uses 21 active pills and a 7 day break from hormone pills, withdrawal from hormones causes an artificial menstural period and brief return of pituitary activity.
When is the hormonal pill contraindicated
DVT
Strokes & myocardial infarctions,
hypertension
cancer risks
hepatic tumors
gall bladder disease
What is the mini pill?
A 28 day progesterone only pill which changes cervical mucus and makes it harder for sperm to penetrate. Can be used in combination with breastfeeding
What are advantages and disadvantages of the injectable contraceptive?
Advantages: long acting and given 12 weekly, used when compliance is a concern, able to be used with intelectually disabled people and historical drug use.
Disadvantage: Irreversible, delayed fertility (up to 12 months) after resuming, can produce menstural irregularities
What are contraceptive devices and how do they work?
Implanon: sub dermal rod whch is inserted under the skin of the arm and gives a continous release of progesterone over 3 years
Intrauterine devide: Plastic device with progesterone thats inserted through the cervix and sits inside the uterus
How is male sterilisation and female sterilisation achieved
Male: vasectomy whereby cutting or blocking of both vas deferens occurs
Female: tubal occlusion is the surgical blocking of fallopian tubes and is permanent
What are the legalities of abortion in Australia?
All states permit abortion up to 22 weeks of gestation
After this, a review of the reason for abortion must occur and requires 2 doctors and a psychologist
What is medical vs surgical abortion?
Medical: can be performed until 9 weeks of gestation and involves taking oral medication and results in cramping, bleeding and miscarriage
Surgical: performed under a GA through suction currette and after 9 weeks
What is endometriosis?
An oestrogen dependent inflammatory condition
Endometrial epithelium and stroma are present outside uterine cavity and walls
up to 20% of women
What is the pathophysiology of endometriosis?
endometriotic implants respond cyclically to ovarian hormone production (similarly to uterine lining)
Proliferative under oestrogenic stimulation
When Oestrogen and progesterone levels decline, implants breakdown and results in inflammatory response (causing pain & fibrosis)
What are the classifications of endometriosis and the characteristics associated?
Mild: normal function of fallopian tubes and ovaries uncompromised
Severe: extensive adhesive formation formation & altered function of affected organ
What are the symptoms of endometriosis:
Dysmenorrhoea: cyclic pelvic pain & increased blood and menstural debris
Dyspareunia: pain during sex
Dyschezia:
Explain the diagnosis and managment of endometriosis ?
Suspect endometriosis if; presence of triad pelvic pain, tender adnexal mass, tender nodule in uterosacral ligament
Perform laparoscopy / laparotomy: biopsy + history = definitive diagnosis
Management depends on the extent of the disease but can include medical and surgical intervention
What is the medical management of Endometriosis
Cyclic dysmenorrhoea is treated with NSAIDS and COCP (oral contraceptive pill)
Non-cyclic dysmenorrhoea is treated through 1st line: short term NSAIDS or depo-provera, 2nd line GnRH agonist, higher dose progestins, danazol
What are the 4 types of FGM
Type 1: Clitoridectomy: total or partial removal of the clitoris and surrounding skin
Type 2: Excision: The partial or total removal of clitoris plus removal of labia minora
Type 3: Infibulation: cutting and repositioning of the labia minora and labia majora, often including stitching to leave only a small gap
Type 4: This covers all other harmful procedures like pricking, piercing, incising, scraping of the clitoris and genital area
What are some of the immediate implications of FGM
severe pain
excessive bleeding and haemorrhage
fever
genital tissue swelling
fever
infection
urinary problems
wound healing
injury to surrounding tissue
shock
death
What are some long term complications of FGM
Urinary problems (painful urination, UTI)
Vaginal complications (BV and other infection, itching, discharge)
Sexual dysfunction
Increased risk of childbirth complications
psychological problems
What is the estimated extent of FGM
it is estimated 200 million girls and women alive today have undergone some form of FGM
What are the two categories for surgical management of endometriosis
Conservative: electrocautery, laser, excision of endo
Radical: Destruction of peritoneal implants
How does PCOS manifest
irregular menses, weight gain, acne, multiple ovarian cysts, alopecia
How is PCOS treated
Normally through a number of means:
Education and counselling
Lifestyle interventions
Metformin (for insulin resistance)
COCP
Management of acne
what are some implications of PCOS on women of reproductive age
sub fertility
gestational diabetes
insulin resistance
obesity
What is an ectopic pregnancy
Occurs in 1-2% of pregnancoes where a fertilised ovum implants outside the uterus
Most frequent implantation sites are fallopian tubes, cervix and c/s scar
What are some risk factors for an ectopic pregnancy
over 35 years of age
cigarette smoking
fallopian tube pathology
infertility
pelvic inflammatory disease
pregnancy with an IUD insitu
previous ectopic pregnancies
previous fallopian tube surgeries
What are some signs of an ectopic pregnancy
bleeding early in pregnancy
slower rate of increase in HCG hormone
lower abdominal pain
collapse
How is an ectopic pregnancy diagnosed ?
sequential beta hcg test
trans vaginal US (exludes intrauterine pregnancy)
patient hx
What is the treatment of an ectopic pregnancy
surgical removal of ectopic pregnancy
Intramuscular methotrexate: cytotoxic mediction which can interupt rapid division of of cells and then reabsorbed by body
How can medical methotrexate treatment be determined as succesful?
levels of HCG wll decline
What is a blighted ovum?
AKA anembryonic pregnancy where a fertilized egg implants in uterus but is reabsorbed. The gestational sac and placenta continue to grow but a miscarriage is caused in the first trimester