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Sexual development awareness

This is the kind of message we hope youth can hear:

"The importance sexuality has in your life will change at different times, and you may not always be sexually active or want to be.Like any other subject, sex education should be accurate, enable you to make informed choices and give answers and solutions to your own concerns.Whatever your starting point, your experience is an individual one, and you are already on this journey. It is, however, often an experience of life ordeath."

(For reading source, click here .)

Unprotected sex

Having unprotected sex (anal, oral or vaginal) and/or sharing unclean needles such as intravenous drug syringes (the works) andneedles used for tattooing and body piercing with a person who is HIV positive or unaware of his/her HIV status are all actions that put you atrisk.

The use of drugs and/or alcohol can make it harder for you to practice safer sex and to set limits for yourself.

In 8 out of 10 cases, HIV is transmitted during sex between a man and a woman or between two men.

The virus is passed on when infected blood, semen, or vaginal fluids from one partner enters the body of the other partner throughthe very thin skin of their sex organs, mouth or anus, or through sores or cuts on their mouth, hands or body.

Dry sex increases the risk of HIV transmission because friction can cause sores in the vaginal wall.

Girls and virginity

A virgin is someone who has not had sexual intercourse. Women have a membrane called a hymen surrounding the vaginal opening. Thehymen can be stretched and/or torn by exercise, sports or the use of tampons. The presence of the hymen is not a sign of virginity. Some people believe thatthe hymen is the only proof of virginity. This belief can cause a lot of unhappiness and anxiety to a woman who has no hymen, but is a virgin.

Having penetrative sex for the first time can be scary. The need for gentleness and understanding is very important. The hymen isnot a wall that needs to be battered down. The first act of sexual intercourse will not necessarily cause bleeding. The first time can be painful or sorewhether you are a male or female. And you can become pregnant the first time you have sex. Do not have sex if you don't want to.

Menstruation

Girls are born with thousands of potential or immature eggs in each of their 2 ovaries. After puberty, one mature egg is releasedevery month. This is called ovulation and happens around 14 days before a 'period' is due. If the egg is not fertilized by sperm, it will die and pass outof the body through the vagina as a period, along with the lining of the womb. The egg can't be seen as it's much too small. The menstrual cycle varies from21 days to 40 days. Not all women have regular periods.

Changes in hormone levels before or during your cycle can affect your mood. You may feel energetic and sexy around ovulationand/or moody, tearful and angry just before your period is due. Your breasts may become sore or a bit larger and you may get spots on your face. Womenrelease eggs until they reach menopause. Menopause occurs when women are in their late 40s and 50s and menstruation stops and they cannot becomepregnant.

Questions & Answers

what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Hiv-aids for educators. OpenStax CNX. Mar 07, 2006 Download for free at http://cnx.org/content/col10329/1.6
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