Variant CJD is a relatively new disease, and knowledge about it is limited. However, to date there is no evidence that transmission of variant CJD from a mother to her unborn child or through breast milk has occurred in people with variant CJD.

HIV can be transmitted from a nursing mother to her infant through breast milk. Women who live in countries where safe alternatives to breast-feeding are readily available and affordable can eliminate the risk of transmitting the virus through breast milk by bottle-feeding their babies. In developing countries, however, where such safe alternatives are not readily available or economically feasible, breast-feeding may offer benefits that outweigh the risk of HIV transmission.

Scientists haven't yet determined if variant CJD can be transmitted by blood. To date, there has never been a documented case of variant CJD transmitted through blood transfusion. However, evidence from experimental work in animals suggests that transmission of variant CJD by blood is theoretically possible. There have been two reported cases of transfusion-associated vCJD infection in UK.

Scientific evidence has linked variant CJD to eating contaminated beef products from animals infected with bovine spongiform encephalopathy (BSE) or "mad-cow disease." Processed meat products made from cows infected with BSE carry a high risk for transmitting the disease.

Variant CJD symptoms include early psychiatric symptoms such as anxiety, depression, withdrawal and behavioural changes. Persistent pain or odd sensations in the face or limbs often develop. The disease then progresses to motor difficulties, involuntary movements and mental deterioration, often ending in a persistent vegetative state. The patient may live on average for about one year after the onset of symptoms.

Once a suspected case of variant CJD is reported to the Public Health Agency of Canada's CJD Surveillance System, the Department coordinates testing and works with case physicians and international experts to confirm the diagnosis. The diagnosis of variant CJD is very difficult, but brain scans, using magnetic resonance imaging (MRI), and tonsil biopsy are two types of tests used to establish a probable diagnosis.

In the past, it was believed that a woman already lactating at the time of adoption, and women who had breastfed previously could more easily stimulate an ample milk supply than a non-lactating woman. However, data accumulated since 1969 indicates otherwise. Generally, women lactating into the second year postpartum or later, as in toddler nursing, are not usually able to totally breastfeed a subsequently adopted infant while "tandem nursing" an older non-adopted child.

HIV and other serious infectious diseases can be transmitted through breast milk. However, the risk of infection from a single bottle of breast milk, even if the mother is HIV positive, is extremely small. For women who do not have HIV or other serious infectious diseases, there is little risk to the child who receives her breast milk. See Diseases and Conditions for more information.

There is no strong evidence that hepatitis C is transmitted through breast milk. A few studies have been done that tested breast milk and very rarely is hepatitis C found. Recently, the CDC issued a statement explaining that mothers who have hepatitis C may breastfeed, but should avoid breastfeeding if their nipples are cracked or bleeding.

Based on a 2002 case in Michigan, it appears that West Nile virus can be transmitted through breast milk. A new mother in Michigan contracted West Nile virus from a blood transfusion shortly after giving birth. Laboratory analysis showed evidence of West Nile virus in her breast milk. She breastfed her infant, and three weeks later, her baby's blood tested positive for West Nile virus. Because of the infant's minimal outdoor exposure, it is unlikely that infection was acquired from a mosquito.

The agent that causes variant CJD is believed to be an abnormal form of a protein, known as a prion. Prions are normal cellular proteins that are present in many organs and tissues, including the brain, spinal cord and eyes of healthy humans and animals. The abnormal form of prion causes surrounding proteins to change their shape. The abnormal protein collects in central nervous tissue and by an unknown mechanism causes the nerve cells to die.

No screening test is available for persons who may have been exposed to "mad-cow disease," hence there is no known method of detecting variant CJD before symptoms appear.

cCJD has been spread to other people by injections of contaminated human pituitary hormones, from grafts of dura mater, transplanted corneas and exposure to contaminated neurosurgical equipment. vCJD may be transmitted to humans via the consumption of contaminated beef products and possibly via blood and blood products.

In August, 2002 the first confirmed case of variant CJD was diagnosed in Canada. However, all the evidence indicates that, in this case, the individual was infected in the UK. There have been no subsequent cases of variant CJD in Canada. The Public Health Agency of Canada works closely with other federal agencies and experts on CJD around the world to protect the health of Canadians.

Human milk contains at least 100 ingredients not found in formula. Healthy babies are not allergic to their mother's milk, although they may have a reaction to something the mother eats. If she eliminates it from her diet, the problem usually resolves itself. Many psychologists believe the nursing baby enjoys a sense of security from the warmth and presence of the mother, especially when there's skin-to-skin contact during feeding.

Anti Retroviral Drug (ART) if taken by infected pregnant women can reduce rates of transmission. Effectiveness of this therapy increases if HIV is diagnosed early during the course of pregnancy.

Cigarette smoke in the pregnant woman cuts the flow of oxygen to her unborn baby. This can be very dangerous, even life threatening to the fetus. Infants who are born to mothers who smoke are more likely to be born premature, which is the leading cause of infant death. Infants that are around secondhand smoke are at risk of dying of Sudden Infant Death Syndrome (SIDS).

HIV-infected mother can infect the child in her womb through her blood. The baby is more at risk if the mother has been recently infected or is in a later stage of AIDS. Transmission can also occur at the time of birth when the baby is exposed to the mother's blood and to some extent transmission can occur through breast milk. Transmission from an infected mother to her baby occurs in about 30% of cases.

Ans. An HIV-infected mother can infect the child in her womb through her blood. The baby is more at risk if the mother has been recently infected or is in a later stage of AIDS. Transmission can also occur at the time of birth when the baby is exposed to the mother's blood and to some extent transmission can occur through breast milk. Transmission from an infected mother to her baby occurs in about 30% of cases.

Fill out the authorization form and return it with the blood sample in the pre-addressed, prepaid postage envelope to Consumer Genetics. Payment for the lab service fee can be made online with our secure payment system or can be called in and done over the phone.

The use of medications during pregnancy and breast-feeding is a complicated issue. It is known that these medicines cross from the mother's blood to the fetus so it is important to discuss possible risks with your clinician to determine whether the dosage of the particular medication you are taking should be lowered or temporarily discontinued. In general, the most commonly used medications for PTSD, the SSRIs, have a good safety record when taken during pregnancy.

This is a common worry for breastfeeding mothers because when feeding directly from the breast, it is impossible to measure the amount of milk taken in by the baby. You can in fact "test weigh" the baby before and immediately after a breast feed. While this can give you a rough guide, it is really quite an impractical routine to follow.

A: If you breastfeed frequently (at least eight to twelve times a day) and let your baby be the determiner of the breastfeeding time you should have enough milk. By day four or five after the baby is born you should look for at least six wet diapers and about three stools in 24 hours. Some baby's stooling patterns are different and some may stool once to twelve times a day (anywhere in this range is normal). A baby should be back to birth weight by about two weeks after birth.

It doesn't matter. There is no advantage to using one or the other. Each will produce a new colony when put into a feeding solution.

In many states, the baby must be born alive for its death to be the subject of a wrongful death lawsuit. This is not always the case, however. In some states, the fetus must have been viable (able to live outside the mother's womb) even though it was not born; in other states, viability is not an issue. Because the law varies so much from state to state, it is wise to consult an attorney who knows the laws in your area.

Yes. If the mother is having her first outbreak during pregnancy, there is a risk the baby may contract the virus. If it is not the first outbreak, there is less of a chance.

Yes. A pregnant woman with sexually transmitted diseases STDs can infect her baby. Syphilis and AIDS can be transmitted to the fetus before delivery. Gonorrhea, Chlamydia, hepatitis B, and genital herpes can be transmitted to the baby during a vaginal delivery.