Sperm in the cervical mucus of a woman's vagina can survive for up to six days - possibly seven. Without the cervical mucus to both nourish and protect the sperm, the sperm will die within one-half to four hours. Anyone who has touched semen should wash and dry - or at least wipe off - before touching the vulva or vagina.

Recent studies have shown that HCV can survive outside the body and still transmit infection for 16 hours, but not longer than 4 days.

The HIV virus is very fragile outside the body, but it can live from several minutes to several hours on the surface of objects in the environment, depending on the situation and environmental factors. The potency of the virus outside the body diminishes over time, but the virus must get directly into the bloodstream to infect anyone. Most household cleaners such as soap, bleach or peroxide will kill it. When cleaning any blood spills, use universal precautions.

Most ova probably survive about six to twelve hours after ovulation. However, for the purposes of contraception, you must count on a 24-hour survival period, plus an additional 24 hours in case there is a multiple ovulation.

Who is a carrier of hepatitis B virus? Sometimes, people who are infected with HBV never recover fully from the infection; they carry the virus and can infect others for the rest of their lives. In the United States, about one million people carry HBV.

Hepatitis A virus can live outside the body for months, depending on the environmental conditions. The virus is killed by heating to 185 degrees F (85 degrees C) for one minute. However, the virus can still be spread from cooked food if it is contaminated after cooking. Adequate chlorination of water, as recommended in the United States, kills hepatitis A virus that enters the water supply.

Head lice die from lack of food or moisture in about two days if dislodged from a head. They may not live this long if it is very cold or they had not fed before being dislodged. Being dislodged means almost certain death for a head louse so they will avoid this if at all possible. They don't wander on to furniture or clothes very often as this would result in the death of the louse in most cases.

No sooner the body fluid containing the HIV virus starts to dry, 90% to 99% of the virus present becomes disabled upon drying. HIV does not survive very long outside the body.

Scientists and medical authorities agree that HIV does not survive well outside the body, making the possibility of environmental transmission remote. Whilst HIV is found in varying concentrations or amounts in blood, semen, vaginal fluid, breast milk, saliva, and tears, to obtain data on the survival of HIV, laboratory studies have required the use of artificially high concentrations of laboratory-grown virus.

If the blood is dry, the virus will be dead. If it is wet, a chance exists that it could still be active. The risk is very small, but rather be safe. Always try and use gloves when you are in a situation where you might be in contact with blood. HIV is very short lived on an inanimate surface. In wet fluid, consider infectious.

Sperm can survive for up to 5 days in the "egg white"-like cervical mucus that the woman produces at ovulation. The effect of stress is hard to measure, but it could affect the ovulation or retard it by disrupting the ovulatory hormonal cycle.

Sperm can live in a woman's body for 5 sometimes 7 days, therefore a woman can get pregnant if she has sex up to 5 sometimes 7 days before ovulation.

Some research suggests that the virus can remain active in dried blood for up to 2 months. More recent research (with chimpanzee blood) has found that the virus will remain active for at between 16 hours and 4 days.

Lice cannot survive for more than 48 hours away from a human scalp. Nits can survive for up to 10 days but need a blood meal from a human one-hour after hatching. For that reason human head lice cannot survive for long periods of time on animals, but animals can be the carrier of the lice. For instance, if two children are playing with a dog, the dog can 'transport' the louse from on child to another.

The Human Immunodeficiency Virus is fragile. Once the virus is outside the body in a dry form, it dies immediately. Even in a wet state, it does not live long when exposed to heat, detergents, or disinfectants. When stored in blood banks at 4°C, it can live for about 3 weeks (or longer), or till the white cell disintegrates, but in a frozen state it can survive for years.

Information provided by Hypertufa Forum contributor GardenChicken:) Here in Calgary the average winter temperatures are generally several degrees below freezing. We have regular freeze/thaw cycles throughout winter and occasionally week-long col

Answer: The Human Immunodeficiency Virus is fragile. Once the virus is outside the body in a dry form, it dies immediately. Even in a wet state, it does not live long when exposed to heat, detergents, or disinfectants. When stored in blood banks at 4°C, it can live for about 3 weeks (or longer), or till the white cell disintegrates, but in a frozen state it can survive for years.

It varies with the equipment used, but the cremation time for the equipment installed at Birkenau appears to have required an incineration time of about an hour per body. The entire cremation cycle took longer and each oven, or retort, could reduce three or four bodies per day under normal operating circumstances. Birkenau had a total of 46 ovens so the capacity would have been 184 bodies per day if all of the facilities were operating at once. This, however, was not the case.

HIV does not survive for very long outside of the human body. HIV is unable to reproduce outside its living host, except under laboratory conditions. Therefore, it does not spread or maintain infectiousness outside its host.

Cryopreserved sperm have been known to fertilize oocytes and result in pregnancies, after more than ten years of storage. However, there is no way to guarantee that cryopreserved sperm will be able to fertilize an oocyte. By utilizing the highest quality freezing solutions available, computer controlled programming equipment for freezing and maintaining rigidly controlled storage conditions, NYCryo maximizes the duration of sperm survival

Following a vasectomy, the testicles will decrease the number of sperm that they produce. Second, the body will increase the process of sperm breakdown and reabsorption. Over a period of time, the equilibrium between sperm production and sperm reabsorption is fine tuned.

The life expectancy of sperm is short if exposed to air because air kills sperm. Once sperm has entered a woman's body, it can live up to one week. Sperm can be deposited on the skin surfaces near a woman's vagina and can enter the vagina with the help of a woman's bodily fluids. Becoming pregnant this way is not common, however, women have gotten pregnant without having the penis penetrate or inserted in their vagina.

Usually the sample is collected through ejaculation by masturbation into a sterile semen collection container in a private room at the clinic. From the time the sample is received, it takes about 1 hour 30 minutes to make the sample ready for insemination. The amount of time may vary depending on the sperm quality, as special techniques may be required.

soon as one month but the first check is at 2 months, some women have become pregnant as early as the first month after the surgery

Sperm can live up to 7 days inside a woman’s vagina. If you are within 120 hours (5 days) after unprotected sex emergency contraception is an option. If you are more than 10 days after unprotected sex, you may want to take a pregnancy test. These are available at most Planned Parenthood clinics.

long as the patient remains in good health after implantation of the ring implant, the annuloplasty ring should last for the remainder of the patient's lifetime. The ring itself should become quickly covered with the patient's native tissue, essentially blending into the background. Valve patients undergoing ANY dental procedure should be considered for prophylactic treatment. Please consult your physician about this prior to visiting a dentist.