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Questions and Answers
Dr Peter Chew, Consultant Obstetrician Gynaecologist, Chairman of the Board of ALife, answers some frequently asked questions. The questions are listed in alphabetical order of the highlighted key word/phrase. Click an alphabet from the menu below to see a listing of the corresponding questions. To see the answer, click the icon preceding the corresponding question. You can click another icon to read the answer to that question, or click the icon to close the answer box, or select and click another alphabet.
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Recently my husband and I are diagnosed to have genital herpes. What causes herpes?
Can it be cured?
Genital herpes is a sexually transmitted disease. The skin on the penis or the vulva becomes
red and inflamed with intense burning, painful and itchy sensation. Blister-like sores then
appear. The sores then open and heal after a while. Burning sensation on passing urine, fever,
headache and muscle ache may also be present. The first outbreak may last for weeks. The virus
then retreats to the nervous system and remain inactive until stress like surgery and illness
and vigorous sex trigger it.
Unfortunately, there is no cure for genital herpes.
Antiviral drugs can help the sores to heal faster and suppress repeated outbreaks. Typically,
another outbreak can appear weeks or months after the first. It is usually less severe and
shorter than the first attack. Although the virus can stay indefinitely in the body, the
number of outbreaks tends to go down over a period of years.
Click here for fuller details on genital herpes.
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I just delivered my son 2 month ago. Recently, I discovered that my hair dropped off a lot and there was a bald patch on top of my head (about 1 cm in diameter).I am very worried even though my doctor assures me that the hair will grow back. What shall I do?
In our body, about 90% of hair is growing at any one time with the other 10% entering a resting phase. Every two to three months, the resting hair falls out and allows new hair to grow in its place.
During pregnancy, many women experience luxuriant growth of hair due to increased amount of female hormone (oestrogen) in the blood. This hormone stimulates hair follicles growth, changes the texture and causes them to stop shedding. It also stimulates the body to bring nutrients to the scalp.
Furthermore, better eating habits and increase intake of vitamins during pregnancy lead to healthy hair growth. After delivery, these hairs begin to fall out. In about 40 to 50% of women, excessive shedding of hair occurs. This can happen from one to five months after delivery and is due to body adjustment to declining level of oestrogen hormone levels. As your doctor correctly points out to you, this condition does not cause permanent hair loss. Hairs will grow back slowly 2 to 3 months after delivery and the texture will take a few more hair growth cycles (sometimes up to several years) before it completely returns to normal.
To keep the hair in good condition:
- Avoid tight hair rollers which can pull and stress your hair.
- Eat plenty of fruits and vegetables. These contain antioxidants which provide protection for the hair follicles and encourage hair growth.
- Hair is fragile when it is wet. So be gentle and avoid fine tooth combs.
- If you need to use blow dryers and other heated hair instruments, try to use the cooler, lower settings.
- Supplement your diet with:
- Vitamin B complex
- Vitamin C with bioflavonoids
- Vitamin E and
- Zinc
- Massage the scalp with vegetable oils once every few weeks.
No medical treatment is necessary.
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Is it safe to have hair coloring while I am pregnant or breastfeeding?
There is not enough information to state with certainty that using hair dyes
during pregnancy is completely safe as there are no extensive human studies
available. There is also no information on having hair treatments during
breastfeeding. However, The Food and Drug Administration of America recommends
that until conclusive evidence is available, pregnant women may want to
proceed with caution in using hair dyes.
For more details, please see our web page on Hair Treatment During Pregnancy.
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I have received many email advertising health supplements (non-drugs) that are
supposed to improve penis length, girth, erection and sex drive. Is there any
scientific evidence?
According to medical studies that tried to analyse the common ingredients contained
in these products, there is no evidence that these ingredients have the effect they
claim. The most common ingredient is arginine, which occurs naturally in nearly
every food. It is converted in the body into nitric oxide, which relaxes and opens
up blood vessels in the body. In fact, Viagra works by increasing the availability
of nitric oxide. But there is no evidence that taking arginine as a supplement works
with erectile dysfunction. It is probably the placebo effect of these supplements
that works. People believe in the suggestion that they work, so they might work a
little for a little while.
True scientific studies have been done with drugs such as Levitra, Viagra and Cialis.
They are medications that have been shown to work better than a placebo.
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My last (third) dose of hepatitis B vaccination (HBV) is due in early October.
Is HBV safe for pregnancy? Do I need to wait for a period of time before I try to
conceive?
There is misconception about the safety and benefits of hepatitis vaccination.
Many ladies would wait for a period of time before trying to conceive. Their
concern is whether the baby will be deformed as a result of vaccination. This
is unfounded as hepatitis vaccine contains non-infectious material.
According to the Centers for Disease Control and Prevention (CDC) of United
States of America, HBV even in pregnant health care workers who are at high risk
of getting the infection has no apparent adverse effects to the developing baby.
On the other hand, should pregnant mother get infected by hepatitis B virus,
there may be serious consequences resulting in occasional death.
Therefore, vaccination can be given during pregnancy or breast feeding in high
risk mothers such as nurses, dentists or laboratory technicians. The benefits
of vaccinating these mothers outweigh the risks.
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I am in my 8 months of pregnancy. Lately, I have a burning sensation in my stomach.
Is it heartburn? Is there anything I can do to prevent it?
You probably have heartburn. This is fairly common in many women especially during the
last part of pregnancy.
Heartburn is also called acid indigestion. It is a burning sensation that often extends
from the bottom of the breastbone to the throat. The acid contents of the stomach may
also give an intense sour feeling at the back of the throat.
During pregnancy, the placenta produces the hormone progesterone, which relaxes the
smooth muscles of the valve that separates the esophagus (food pipe) from the stomach.
This allows gastric acids to seep back up the pipe and causes the uncomfortable burning
feeling. In later part of pregnancy, the growing baby crowds your abdominal cavity and
pushes up the stomach acids to cause heartburn.
Web page heartburn has more
details on this subject.
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I always have urge to urinate and pain on urination after sexual intercourse. Is
this "Honeymoon Cystitis"? Is there any way to prevent it? (Urinary Infection)
The opening of the urinary bladder (urethra) is very close to the vagina and the
anus. During sexual intercourse, bacteria in and around the vagina and lower
bowel are pushed into the urethra by the movement of the penis. These bacteria grow
in the bladder and cause urinary tract infection. This is called "Honeymoon cystitis".
For details regarding the symptoms and prevention of "Honeymoon cystitis", please see
our web page on Urinary Infection.
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I have hot flashes and sweating since my menses stopped 6 months ago, Will the
symptoms last for the rest of my life?
About 75% of women report troublesome symptoms during menopause, but the severity
and frequency of symptoms varies from woman to woman. The most common symptoms are
hot flashes. It is the most common reason for seeking treatment. It produces a sudden
sensation of warmth or even intense heat that spreads over various parts of the body,
especially the chest, face, and head. Flushing and sweating usually occur as well,
followed by a chill. Some women feel their heart beating very fast. This makes them
feel anxious.
These flashes last from a few seconds to several minutes. How often they occur varies
from woman to woman. Fortunately, for most women, their hot flashes usually subside the
first 2 years after menopause. However, occasionally some women may have them for a few
years after menopause.
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I am 53 years old and had hot flash for the past few months. I do not intend to
take any hormonal medication including herbal preparations. Is there any way to ease
the symptom?
One simple way that might help to ease your symptom is exercise. Regular exercise
can relieve many uncomfortable symptoms of menopause as well as reduce risks of
heart disease and osteoporosis.
Other benefits of exercise include:
Reduced stress. Menopause is often associated with depression and anxiety.
Exercise helps in reducing stress and improving mood changes.
Losing body fat.
Reduce hot flashes: Some studies have shown that exercise increases estrogen
which can decrease the severity of hot flashes.
Increased bone mass: Weight bearing activity (walking or running) can help
strength the bones and prevent osteoporosis.
Reduced risk of high blood pressure, heart attacks and strokes.
It is never too late to start exercise and the key is to start slowly and do things
you enjoy such as brisk walking and fitness classes. Strength training using
dumbbells or resistance bands is also important.
Make the commitment now, get the spouse involved and spend quality time with him
through exercise. Taking control of your health is one way to make menopause a more
pleasant experience.
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