Module 4: Reproductive Health Flashcards
what percent of all pregnancies are unplanned
45%
what country has the highest teen pregnancy and unplanned pregnancy rate of all developed countries
USA
what percent of unplanned pregnancies occur to women in their 20s
55%
why are most unplanned pregnancies in women in their 20s
- highly fertile
- increased rates of sexual activity
how many teenagers become pregnant each year in the US today
700,000
how many teenagers became pregnant each year in the US in the 2010s
1 million
are most birth controls methods for men or women
women
what is the difference between birth control and contraception
- birth control: aimed at not having a baby, includes abortion and plan B which are not contraception
- contraception: aimed at preventing fertilization (sperm + egg), a form of birth control
define fertility
a person’s ability to reproduce
when is the onset of fertility
- near puberty
- menarche for women and semenarche for men
define semenarche
first ejaculation in males
define menarche
first period in females
define conception
the fertilization of an ovum by a sperm
define contraception
the methods of preventing conception
what conditions are necessary for conception
- a viable egg
- a viable sperm
- access to the egg by the sperm
how long are eggs viable after ovulation
24 hours
how long are sperm viable in the female body
5 days
what does a pregnancy test measure
HCG hormone
when can pregnancy tests detect HCG hormone
up to 2 weeks before a missed period
what does it mean if a male has a positive pregnancy test
- they have HCG hormone in their body
- associated with certain types of testicular cancers
can you get pregnant over a week after having sex
yes
how long does it take for a fertilized egg to reach the uterus
1-2 days
how long does it take for a fertilized egg to implant into the uterine wall
3-5 days
when do you technically begin pregnancy
when the fertilized egg implants into the uterine wall
define theoretical efficacy
- the number of pregnancies that are likely to occur in the first year of use if the method is used consistently and correctly
- perfect use
define user efficacy
- the number of pregnancies that are likely to occur in the first year of use if the method is NOT always used consistently or correctly
- typical use, human use
how do theoretical efficacy and user efficacy usually compare
theoretical efficacy is usually 10% higher than user efficacy
list the types of contraception
- barrier
- hormonal
- behavioral
- emergency
- surgical
define barrier contraception
- blocks the egg and sperm form joining
- can be physical (condoms) or chemical (spermicides)
what are the 3 things that hormonal contraception does
- prevents ovulation
- thickens cervical mucus to inhibit sperm motility
- prevents a fertilized egg from implanting by thinning the endometrial lining
what are the 3 types of behavioral contraception
- withdrawal
- abstinence
- fertility awareness
define emergency contraception
prevent pregnancy after unsafe sex or failed birth control
define surgical contraception
prevent pregnancy permanently
what type of contraception are condoms
barrier
what are the 2 types of condoms
- male/external
- female/internal
describe a male/external condom
- thin sheath to cover an erect penis and catch semen before it enters the vagina
- can come with or without spermicide and lubrication
can a penis be flaccid to put on a male/external condom
no, must be erect
what materials can condoms be made out of
- latex
- polyurethane
- lambskin (animal intestines)
describe latex condoms
- thin
- cheap
- felxible
describe polyurethane condoms
- less elasticity than latex condoms
- slightly more likely to break because of less elasticity
which condoms protect against pregnancy
all
which condoms protect against STIs
- latex
- polyurethane
- NOT lambskin
why do lambskin condoms not protect against STIs
- larger pores than latex and polyurethane condoms
- can block larger particles like sperm but not smaller particles like bacteria or viruses
what is the most common spermicide in condoms
nonoxyl-9
how do spermicides work
- don’t kill sperm
- paralyze the flagella of sperm so they can’t move
which lubricants can and can’t be used with condoms
- can: water or silicone based
- can’t: oil based
why should you not used oil-based lubricants with condoms
they can break down the condom
what products can disintegrate the latex in a condom
- oil-based lubricants
- heat
list the steps to putting on a male/external condom
- check the expiration date
- make sure the packaging is intact; you should be able to feel an air bubble inside
- push the condom to one corner and tear open the opposite corner
- check on the tip of your finger that the condom will roll in the right direction; the band of latex should be on the outside
- pinch the tip of the condom, place it on an erect penis, and roll the condom down the shaft of the penis
what is the theoretical efficacy of male/external condoms
97%
what is the user efficacy of male/external condoms
85%
which condoms have higher efficacy: male/external or female/internal
male/external have higher efficacy than female/internal
where can female/internal condoms be used
- vagina
- anus
describe female/internal condoms
- single use
- loose-fitting
- made of polyurethane
- one unit with two flexible rings at either end
do female/internal condoms prevent pregnancy, STIs, or both
- prevent pregnancy
- DO NOT prevent STIs
how are female/internal condoms inserted
- manually
- the upper ring is inserted into the vaginal canal and sits around the cervix
- the lower ring stays outside of the vagina and sits on top of the labia
when can female/internal condoms be inserted
8 hours before sex
how expensive are female condoms compared to male condoms
- female: $3 each
- male: $0.50 each
what is the only brand of female/internal condoms
F2C
how many sizes of female/internal condoms are there
1 size fits all
describe why the loose-fitting nature of female/internal condoms can be bad or uncomfortable
- the penis may not go into the condom
- the condom can move around and make noises
what is the theoretical efficacy of female/internal condoms
95%
what is the use efficacy of female/internal condoms
81%
list delivery methods of spermicides
- jellies
- creams
- foams
- suppositories
- film
describe how spermicides are used
- inserted into the vaginal canal
- will dissolve naturally in the vagina
- often used in conjunction with other methods
do you need to clean out spermicides after sex
- no
- the spermicide will be naturally absorbed by the vagina
what are good aspects of spermicides
- non-hormonal
- no prescription needed
- comes in a variety of types
which type of spermicides come in tubes
- jellies
- creams
which type of spermicide comes in aerosol cans
foams
which type of spermicide comes in a waxt capsule
suppositories
what are the bad aspects of spermicides
- must be applied manually (except suppositories which have applicators)
- can be messy
- do not protect against STIs
- not super effective at preventing pregnancy
what is the theoretical efficacy of spermicides
80%
what is the user efficacy of spermicides
70%
how should you test spermicides to make sure you don’t have an irritation reaction
put a small amount on the inside of the wrist
will spermicides mess with the pH of the vagina
no, but that can cause irritation
what happens to your risk of STIs if you have a reaction to spermicides
irritation may make it easier to get STIs
when should you apply spermicides
- at least 10 minutes before sex (so it can be absorbed/dissolved)
- no longer than an hours before sex
when should you reapply spermicides
after each ejaculation
what type of barrier is a daphragm
- physical barrier
- also becomes a chemical barrier when used with spermicides
what was the first widely used birth control method for women
diaphragm
when was the diaphragm made
1930s
what did the diaphragm used to be called
womb veil
who had access to the diaphragm in the 1930s
only available by prescription for married women
describe the diaphragm
- soft and shallow cup
- made of thin latex rubber
where are diaphragms placed
- behind the pubic bone
- in front of the cervix to block access to the uterus
what must a diaphragm be used with
spermicidal cream or jelly
describe where spermicide should be placed when using a diaphragm
- inside the cup that will touch the cervix
- on the underside that touches the vaginal canal
how would you get a diaphragm
- prescription
- must be fitted by a physician
when do diaphragms need to be refitted
after a vaginal birth
what happens if a diaphragm isn’t fitted perfectly
it may slip out of place
how much does a diaphragm cost
- $0 if have health insurance
- $400 without health insurance
how long do diaphragms last
4 years
what STIs can diaphragms reduce the risk of
- HPV
- HIV
- chlamydia
is the diaphragm considered a way to prevent STIs
no
how far in advance of sex can the diaphragm be inserted
8 hours before sex
what is the theoretical efficacy of the diaphragm
95%
what is the user efficacy of the diaphragm
84%
what is in combination birth control pills
- estrogen
- progestin
define progestin
synthetic progesterone found in hormonal birth control
define the O pill
non-prescription combination birth control pill
how much does the O pill cost
$15 a month
when was the combination birth control pill first marketed and approved by the FDA
1960s
describe the cycle of taking combination birth control pills
- 3 weeks of active birth control pills, 1 week of placebo pills (no hormone)
- can be a longer cycle (3 months on, 1 week off)
- can skip the placebo pills if confirmed with physician
how often should you take a combination birth control pill
- every 24 hours
- always within the same hour
what conditions might combination birth control pills lessen the symptoms of
- PMS
- PMDD
- endometriosis
- PCOS
what health problems can combination birth control pills cause
- blood clots
- high blood pressure
describe why the combination birth control pill might cause blood clots
- estrogen increases the clotting factor in blood
- causes it to be more likely to get blood clots
- mostly a risk factor for people who smoke or are over 35
do combination birth control pills protect against STIs
no
what can lessen the effectiveness of combination birth control pills
- grapefruit juice
- st johns wart
- antibiotics used to treat TB
why does grapefruit juice impact the effectiveness of the combination birth control pill
so acidic that it can break down estrogen before its absorbed
what is the theoretical efficacy of combination birth control pills
99.7%
what is the user efficacy of combination birth control pills
92%
does taking any form of birth control decrease fertility
no, but some forms can delay fertility
what is another name for progestin only birth control pills
minipills