Birth control update

Good news for

Here are some tidings ‘of.
joy regarding safe and

successful methods of birth
control. While some people
may say it’s rather selfish not
“to have children, wouldn't
you agree that it’s unselfish
to wait until the right time?

FOR WOMEN

There is an_ intriguing
hope that within three to 10
years women may be able to
immunize against preg-
nancy:

Immunization would in-
volve receiving a small
injection of the hormone
human chorionic gonadotro-
pin (HCG). HCG signals the
“ovary at the start of
pregnancy to keep up its
progesterone secretion
which normally flags as
menstruation nears.

Progesterone, a must-have
in pregnancy, maintains the

uterine lining for the fertiliz-_ 7

ed egg. Vaccination, by
neutralizing HCG, intercepts
the call for progesterone.
ane this lining is shed.

The ‘vaccine consists of
one chemical component of
HCG joined with materiais
from the tetanus vaccine tc
help turn on the body's
antibodyforming system,
and iests on sterilizea
women have shown ii
capable of producing an-
tibodies lasting about 18
months; booster shots would,
probably be needed as well.

‘

Several problems, includ-
ing a possible hypersensiti-
zation response that could
prevent future pregnancies.
must be studied.

A medical expert says,
“There are risks in interven-
ing in any body process, but
one hopes to increase effec-
tiveness and minimize risks
of contraception by using
many approaches. There is
room for improvement.”

Women's pills work by
creating pregnancy-like
hormone peaks that stop
ovulation, and the efforts to
lessen risks continue, but
long-acting hormone in-
jections, given once a month

or less, may be the next —

female option.

With their usage, there
may be a chance of lower
total hormone exposure, and
elimination of dangerous
synthetic estrogens.

While there are still safety
questions in North America,
the injections are
abroad, and problems also
include irregular bleeding or
absent periods due to

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used

vacillating hormone levels
that occur after abrupt
' influxes. 4

To combat this, several
slow-release ‘systems * Pe
being considered.

A _ progestin-conthining
rod, which is. -Surgically
implanted under the skin
and removed ‘three to five

years later, has shown some
promise in humans.

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of the vagina is also being
tested. This device is
removable to allow for
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The Copper T, a small T-

shaped intrauterine device,.

now makes the IUD
available to women who
have never been pregnant.

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A diaphragm-like ring that

The reduced sizeof the
Copper T lessens risks of
uterine perforation or
trauma for all women, and
its smallness, plus a fold-
over T-bar, also ease in-

sertion. ; —

FOR MEN

The male pill: According |

to one doctor, “A _ pill
containing a_ synthetic
hormone danazol, given

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. daily, together with once-a-

month testosterone in-
jections, has dropped sperm
counts to levels considered
infertile in over 80 per cent
of men tested.”

This combination works
because upon reaching the
bloodstream, the externally
supplied hormones trick the
body into turning off
testosterone production -
within the testes where. it is.

North Shore News

needed for

sperm
development. ~

In men _ receiving the
drugs, normal sperm

populations returned within,
six months after the dosage’
was stopped. Such feared
side effects as hypertension
or substantial increases in
the cholesterol and
triglyceride counts still have
not been seen.

MORE

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