At 8 weeks of pregnancy, the most accurate way to determine paternity is through a prenatal paternity test. This involves collecting a blood sample from the mother and potential fathers to analyze fetal DNA in the mother's bloodstream. It is important to consult with a medical professional or genetic counselor to discuss the options and reliability of the testing method.

In general, DNA does not determine a person's gender, as gender is typically assigned based on biological and social factors. However, certain genetic variations on sex chromosomes can be used to infer biological sex. For example, individuals with two X chromosomes are typically female, while individuals with one X and one Y chromosome are typically male.

Plants do not have the physical structures or biological processes necessary to produce sound waves that can be detected by human ears. While research has shown that plants emit sounds at frequencies outside the range of human hearing, the sounds are too faint and high-pitched for us to perceive.

At nineteen weeks, a fetus is about the size of a mango, measuring around 6 inches long and weighing approximately 8.5 ounces. It has developed more defined facial features, including eyebrows and eyelashes, and its body is covered in fine hair called lanugo. The fetus is active, moving around and kicking, although these movements might not be felt by the mother yet.

It is not uncommon to not see a fetal pole at 5 weeks as it may be too early to detect on an ultrasound. The fetal pole typically appears around 6 weeks of pregnancy, so it's possible that it may be too early for it to be visible. It is important to follow up with your healthcare provider for a follow-up ultrasound if needed.

Nausea can last anywhere from a few minutes to several hours, depending on the cause. It may resolve on its own or with home remedies like rest, ginger tea, or over-the-counter medications. If nausea persists for more than 24 hours or is associated with severe symptoms, it is important to seek medical attention.

Yes, it is possible to have a discrepancy between gestational age calculated by last menstrual period and ultrasound measurements. This could be due to variations in individual cycles or delayed ovulation. An empty gestational sac may indicate a blighted ovum or early pregnancy loss, which would need further evaluation by your doctor.

Yes, an ultrasound is more accurate for dating a pregnancy when the last menstrual period (LMP) is unknown. The ultrasound will measure the size of the fetus and provide a more accurate estimate of gestational age. It is typically done early in pregnancy for this purpose.

The most logical reason for a baby measuring 4 weeks ahead on an ultrasound is inaccurate dating of the pregnancy. Ultrasounds are typically most accurate in the first trimester for dating purposes, but errors can still occur due to factors such as fetal growth spurts or positioning. It is uncommon for ultrasounds to be off by 4 weeks, but it is possible in certain circumstances. It is important to consult with a healthcare provider for further evaluation and clarification.

Measuring the femur bone in an ultrasound can provide an estimated gestational age of the fetus, but it is not typically used to determine the exact time of conception. Gestational age is calculated from the first day of the last menstrual period, so it can give a rough estimate of when conception likely occurred, but it is not definitive.

It is generally safe to have a facial during menstruation, but some people may experience increased sensitivity or skin reactions due to hormonal changes. It is always a good idea to inform your esthetician about your menstrual cycle so they can adjust the treatment if needed.

Yes, it is possible for gestational diabetes to not appear on an ultrasound during pregnancy. Gestational diabetes is typically diagnosed through blood tests that measure blood glucose levels. Ultrasound is primarily used during pregnancy to monitor the growth and development of the baby.

That means they didn't see anything that was abnormal.

Clinical correlation requested after an MRI means that the medical professional interpreting the MRI results is seeking additional information from the patient's symptoms, medical history, and other diagnostic tests to better understand the significance of the findings on the MRI scan. This helps in making a more accurate diagnosis and developing an appropriate treatment plan.

you should not have any spotting if you are pregnant, although some women do and are ok you should see a doctor if you bleed at all you should not have any spotting if you are pregnant, although some women do and are ok you should see a doctor if you bleed at all

experiments, i would think that scientist would put them in a room and emit sounds at different wave lenghs to see if they respond or if there is a change in their behaviour. but that's just a guess :) also, bats are completely blind and rely on their hearing to navigate. that's where the phrase "blind as a bat" came from.

cephalic means relating to the head usually regarding birth of a baby and the 'heads presentation

i feel my chihuahua is still has one pup she started today at 3pm how long for her to have the last pup?

A yolk sac is a precursor to a baby, usually yolk sacs are seen at 5 1/2 weeks. A fetal heart is detectable in the 6th week - that is what is a better indicator of having a baby, eventhough it is called an embryo at this point.

To confirm dates if you are unsure or to confirm a viable pregnancy if you are threatening to miscarry. However if you are sure of your dates and not miscarrying, please go to this website. http://www.midwiferytoday.com/articles/ultrasoundwagner.asp So much for Tom Cruise buying one to ensure the health of his baby.

Yes, a baby has a chance at surviving at 28 weeks gestation.

The size of fetus is 4 to 5 mm at 5 weeks pregnancy and about half an inch or 1.25 cm at 7 weeks of pregnancy. Fetus grows by geometrical proportion with time. So you can calculate the size of fetus at 6 weeks by mathematical calculation. Say the size be X mm at six weeks. So you have 4 mm, X mm, 25 mm in the series, So X squred equals to 4*25=100. X is equal to 10. So the size of the fetus will be 10 mm at 6 weeks.

At 6 weeks post-conception, the fetus looks like a little blob - the spinal column has started to stand out and you might make out the eye sockets starting to fold back in. Otherwise, it looks like any vertebrate fetus and is not visually identifiable as human.