ashley roman is a clinical assistant professor in the department of obstetrics and gynecology at nyu langoneedical center and is a specialist at maternal fetal medicine associates in new york city. >> and we--when we talk about a mature fetus, we want to make sure that the lungs are mature and other organs are mature like the liver and the brain. >> mcfarland: pregnancies are measured in trimesters. each trimester contains different development milestones for the baby. and every week of pregnancy is important. >> the first trimester, which usually people say are the first 12 weeks of pregnancy, are when the organs are forming. it is a time of development of the different organs and a time when birth defects form if they are going to form. >> mcfarland: dr. alan peaceman is the chief of maternal fetal medicine at northwestern memorial hospital in chicago and is professor of obstetrics and gynecology at northwestern university, feinberg school of medicine. >> the second trimester until 24 weeks' gestation is a time of rapid growth, where the organs grow and evolve into the developing functions

ken langone, home depot out of florida.ng you on. >> thank you for having he me. >> neil: i was thinking of you in the stuff over mitt romney and the tax returns and releasing them and maybe he's afraid because, hey, going to show he has a lot of money which we already know and that he's paying, maybe, 15% on it and that it's all over the world. what say you? >> what say i? he's paying his taxes. the law says what you say and you pay it. by the way, neil, i'm here in florida for the winter and you ought to come down to the beach. i continue to be a new york state resident and my wife and i continue to pay the high new york state taxes and i think that governor cuomo is giving our money's worth. but back to mitt. mitt romney ought to feel good about what he did and how he did it and ought to be willing to show and i think he will show his tax returns. eventually, i wish that our current president were more forth coming four years ago than he was. i'm full full disclosure, mitt has nothing to be ashamed of. he did it great jo

. >> neil: ken langone, the man who got home depot on the map and running, that was then, this is now. and imus is next as we wait for newt gingrich about to make his latest. and these are the things over which we delight, a restaurant, a hot political battle and then of course, completing the trifecta, don imus himself. all this. across the golden state, where everyone has been unbelievably nice. mornin'. i guess i'm helping them save hundreds on car insurance. it probably also doesn't hurt that i'm a world-famous advertising icon. cheers! i mean, who wouldn't want a piece of that? geico. ah... fifteen minutes could save you fifteen percent oh dear... or more on car insurance. >> it's irrelevant whether he should release his taxes or not. it's irrelevant whether anybody should release their taxes or not. but the whole point of this discussion is, you've got to have a better answer than that. you know they're going to bring it up. and every-- his fathe had to, that dope had to release them. i mean, they're going to ask him, they asked him a couple days ago. who is advising this guy? h

raj is from langone medical center and author of "what the yuck." good morning. >> good morning. >> it's been a mild flu season is. february is the peak so it's a good reminder, as any time. we should point out the flu can be deadly, right? >> absolutely. colds generally make you feel not great but they don't knock you out. the flu can lead to serious complications, things like pneumonia, bacterial infections. could be fatal in some people. important we don't get lulled into a false sense of security. we are still waiting for the peak which is january and february. >> knowing the difference between a cold and flu is important because the flu can be deadly. >> it can be. you want to know if you have it so you can talk to your doctor about what to do about it. >> we'll differentiate between the two in a moment. let's dispel the myth that people think you can get a cold if you're out in the cold or wet weather or if you're just basically dressed inappropriately. false? >> it's a myth. the whole, don't go out with wet hair, that's not how we get a cold.

marc siegel, from the langone medical center and, author of "the inner pulse", unlocking the secretshealth... and that what is we do here. >> eric: and women may not be the only ones who suffer the effects of menopause and doctors noticed male patients report the same symptoms as women. dr. samadi, hot flashes? >> no, it is not the same as women. it is not necessarily hot flashes. it is called male menopause and is different and is a graduate dual pace and not subtle like women and, as we get older the level of testosterone in male hormones, starts to decline and some people actually call it andro-pause, and, typically, men present with being fa teaketigu don't want to do anything, low testosterone is the same as low libido, no interest in sexual activities and become couch potatoes and they are tired and a lot of people... >> jamie: mojo, is that a technical term? >> and some people think it is the typical mid life crisis and, really, the diagnosis is critical. it is secret medical news and now is coming to the surface. why is it important? low testosterone, means high cholesterol a

marc siegel, associate professor of medicine at langone medical center and the author of "the inner pulsejamie: and dr. david samadi, chief of robotics at the mt. sinai medical center. >> eric: doctors, good to see you. new information for expecting parents, a noninvasive test for down's syndrome. doctors say this screening can be administered like ten weeks into the pregnancy, 99% accurate. doctor, it seems to be a terrific break through? >> this is amazing, eric. i spoke to the doctor who developed the test and, studied it in 4,000 women, and, he said there is a 99 out of 100% chance you will find it but you want to do it in mainly high risk groups, women over 40 and people with a problem, we use ultrasound to see if there is an abnormality in the heart and 50% of downs babies have that and we look at the neck and if it could be a problem it may replace the need for and invasive test, amniocentesis. >> eric: is it available now. >> absolutely. >> it is available and only costs $235, if you have insurance, currently the test we have is something called quad tests and they test the blood

marc siegel, associate professor of medicine at nyu's langone medical center and is the author of the book "the inner pulse, unlocking the veto code of sickness and health." >> jamie: and david samadi, chief of robotics at mt. sinai medical center, both of whom abided by my admonition to go home early, last night. you look rested and refreshed and ready. happy new year. i'm glad, because we needed good information and a lot of people are going like this... >> eric: great new news, access to a doctor weather a click of a finger? there are medical applications, for your mobile device, becoming more popular and allow dras to answer patient questions faster with an app, and, dr. siegel, they don't have to visit you? >> you still have to visit me but, this is really exploding, 500 million smartphone users by 2015 that will be using these apps, medical apps and i have a plus side and a minus side. the minus side is you cannot fit your doctor inside the phone, in other words, if you have the information at your fingertips, eric and know your heart rate and your blood pressure and know your b

marc siegel, professor at langone medical center. good morning, doctor. >> good to see you, martha.e hear about legionnaire's disease that cropsed up over the years. apparently they have cases at the luxor. how concerned should people that want to visit las vegas. >> it is not contagious. you will not very ped it to me. the problem it gets into the water system. it is a kind of bacteria that is very hardy. lives at many different temperatures, like body temperatures. it has a tail and swims. stays in the water. even though luxor trying to eradicated going through 400 rooms using chlorine to kill it that can hide through the pipes. we have 25,000 cases. the problem it creeps up on you. you feel fatigued headaches, muscle aches and dry you cough. don't know what it is. it becomes pneumonia and 30% of the cases die from this. martha: we saw one out of these three people died. who is most at risk? is there anything you can do to protect yourself? if you do have the signs how do you know they might be this? >> early diagnosis is key. we have antibiotics to treat this. common antibiotics

marc siegel at langone medical center and the author of "the inner pulse, unlocking the secret code ofickness and health." good morning, docs. >> jamie: and your two chief residents, coming along, i think. we passed over the internships. let's get started... >> surgical training. >> jamie: don't battle over surgery, medicine, dermatology... all of it. okay, new research raising red flags on prostate cancer. i want to get to this. it concerns a lot of men, according to specialists, a specific drug used during the treatment may lead to stroke and heart disease. dr. samadi, what do you want to us know about this? >> when it comes to prostate cancer you can have a very early stage organ... the prostate cancer could be in the organ and the best treatment is to remove it and if the cancer has spread, whether it has gone to the bone or outside the prostate you treat it with radiation an hormones and if it has gone to the bone you give them the hormonal treatment and the fuel of prostate cancer is testosterone and bringing the level down you delay the progression and the patient may live longe

marc siegel, professor of medicine at nyu langone medical center and a member of our great fox news medicalhis morning. >> good morning, martha. martha: these girls, for folks to catch up on, these teenage girls have involuntary movements. some of them have speech issues going on. very strange things. >> you can't stop yourself from speaking. that is tourette's syndrome. you you had an excellent interview with a physician drofled this case he says he thinks it is mass hysteria. i understand why he said that. there are distorted symptoms he can't put together. i had a little trouble. i think mass his tire yaw is diagnosis of exclusion. you rule everything out before you come to the conclusion. martha: that is how they determined that. there is mental connection between people in some environments where they all pick up a similar kind of thing called mass hysteria. it feeds on itself and spreads. nih is involved in this now. obviously there is legitimate concerns that diagnosis is not correct. >> they are right. there are historical examples of that. that can happen. there is something called