Which animal has the longest pregnancy?
What are the Threats faced by Elephants?
- You know what animal has the longest pregnancy, and it is elephants. ...
- Elephants are constantly being hunted down for their ivory tusks.
- Another important reason is the unpredictable behavior of the male elephants and their unavailability of mates. ...
How long is the longest human pregnancy?
The gestation period for a human female is roughly 9 months or about 280 days. However some women have had their children a little earlier or later. However, the longest human pregnancy ever recorded is 375 days. This goes to Beulah Hunter way back in 1945 (the year of the birthing). That's just over a year.
What is the typical length of pregnancy?
The average human pregnancy is 40 weeks long. However, a pregnancy is considered term between 37 weeks and 41 weeks 6 days. Babies born on or before 36 weeks 6 days are consider preterm or premature. Babies born between 37 weeks and 38 weeks 6 days are considered early term. Babies born between 39 weeks and 40 weeks 6 days are considered full term.
What is an estimated gestational age?
This period is measured by week and the development of a baby happens in this period. Gestation age can be measured from the first day of the last menstrual period. Normally gestational age can be 38 to 42 weeks. Babies born before 37 weeks are known to be premature and babies born after 42 weeks are considered to be post-mature.
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Why does gestational diabetes happen?
Gestational diabetes happens because the placenta produces hormones that keep insulin from working correctly. This raises your blood sugar and causes diabetes. Doctors aren’t sure why some women get gestational diabetes and some don’t.
What is the date of conception?
The actual date of conception generally isn’t known for humans, so gestational age is the common way to measure how far along a pregnancy is. Where your baby is in their development — such as whether their fingers and toes have formed — is tied to gestational age.
What are the risk factors for diabetes?
However, there are certain risk factors, including: being older than 25. having type 2 diabetes or having a family member with type 2 diabetes. having gestational diabetes in a previous pregnancy. previously giving birth to a baby over 9 pounds. being overweight.
What is a pregnancy induced hypertension?
Gestational hypertension. Gestational hypertension is a type of high blood pressure that can develop during pregnancy. It’s also called pregnancy-induced hypertension (PIH). PIH develops after week 20 and goes away after delivery.
How far behind gestational age is a fetus?
This is during ovulation, which means that fetal age is about two weeks behind gestational age. This is the actual age of the fetus. However, it’s a less precise way to measure pregnancy, because in most cases it’s impossible to know when conception actually happens in humans.
How to control gestational diabetes?
Gestational diabetes can often be controlled with a healthy lifestyle, including regular exercise ( if your doctor says it’s OK) and a nutritious diet that includes lots of leafy vegetables, whole grains, and lean proteins. A healthy lifestyle can also help reduce your risk of gestational diabetes.
What does gestational age tell you?
Gestational age helps your doctor figure out if your baby is developing as it should. Find out more about how your baby develops during gestation.
What is the Gestation Period for Humans?
Human gestation spans about 9 months from conception to birth; however, there is also a range in which the time span can last for what could be considered full-term.
What is the first trimester of pregnancy?
The first trimester begins the first day of the last menstruation cycle and lasts through the 12th week of gestation or pregnancy. During this phase, the mother will typically not show any physical changes, but the body is going through several major changes that accommodate the growing baby. The first few weeks after conception correspond to major hormonal changes, the uterus begins to alter its properties to accommodate the growth of a fetus and the placenta, heart rate increases, and the body starts to add to the blood supply to support the developing baby's oxygen and nutritional needs. Due to these changes, the mother will experience early pregnancy symptoms including:
What is the term for the period of fetal development?
Human Gestation , also known as pregnancy, refers to a period in which fetal development occurs, and it spans from the moment of conception up to birth. The term ''gestation'' stems from the Latin gestare which means "to carry" or "to bear". Gestation is typically seen in mammals.
What are the health problems of a premature baby?
Some health problems a premature baby may face could last a lifetime. These include developmental and intellectual complications, which typically manifest as the child grows. This is because they are associated with brain growth and development. It should be noted that the earlier the baby is born, the more likely they will suffer health consequences. Premature babies born before 34 weeks of the gestational period could be placed in a hospital's neonatal intensive care unit (NICU) where they receive appropriate care spanning weeks or even months. Below are a few health problems that may occur with premature babies:
How many babies are born prematurely?
When a baby is considered premature, this means that they were born before the 37th week of the human gestational period. In fact, about 1 in 10 babies born in the United States are premature. Premature babies do not typically reach full development at birth and may have several health problems, which require them to be kept at the hospital for monitoring. However, thanks to several medical advances, premature babies are more likely to survive and thrive today than in the past.
How many weeks is a full month?
It may be believed that a full month spans four weeks, meaning 28 days; however, a full month is closer to about 4.5 weeks. Dividing 40 weeks by 4.5 shows that a typical gestational period lasts approximately 9 months.
When does the third trimester start?
The third and final trimester of pregnancy begins during the 28th week of the human gestational period and lasts until the baby is born. During this time, the doctor will perform regular checks to ensure the baby's health is optimal, including testing the mother's urine for proteins, checking for blood pressure, listening to the fetal heart rate, measuring uterine length, and also monitoring the mother's extremities for swelling. Furthermore, the doctor determines the baby's position to prepare for childbirth. The third trimester is also when the fetus will typically gain the most weight.
What is the first trimester of pregnancy?
In the first trimester, the fertilized egg attaches itself to the womb. The first trimester of pregnancy is from when the baby was born to the third month of pregnancy. In this trimester, women experience symptoms like nausea and morning sickness. Women should be more careful during the first trimester because most miscarriages occur during this time.
How long after a baby is born is it a preemie?
A normal baby may be born a few days after or before the due date. But if the baby is born before 37 weeks then the baby is a preemie and also, if the baby is born after 42 weeks then the baby is an overdue baby. A pregnancy ultrasound is another way to determine the gestation period of human beings. In this process, a conductive jelly is spread on the stomach for the sound waves to travel properly and a transducer is used to capture the sound waves which are then transferred to a monitor, and it is a 2-D picture.
How many days is a human gestation period?
Most of us know that the human gestation period is about 280 days or 40 weeks or 9 months. There are lot more things that people should learn about pregnancy. The gestation period is the time from when the baby was formed in the womb to childbirth.
How long is a woman pregnant?
The gestation period is determined by taking the date of the first day of a woman’s last menstrual cycle to the date when the child is born, and so the average gestation period of a human is said to be 40 weeks. With this information, the doctors give the date on which the baby might be born or the estimated time the baby will be born. But we cannot say that the baby will be born exactly on the due date given by the doctor.
When does the baby move in the second trimester?
The fourth month to the sixth month is the duration for the second trimester. In this trimester or the 19th or 20th week, the baby grows in size and can make movements rarely, and also the morning sickness goes away. But it is not the same for all women as some women may feel the baby’s movement much later.
Do men have to learn about pregnancy?
Most men think that they don’t have to learn anything about pregnancy. But a man should be part of pregnancy as much as the woman. He should take good care of his wife so that the baby shall be born healthy. Just like the mother carrying the baby in the womb, the father should carry the baby in his heart.
Can you smoke while pregnant?
Women should eat good food and take plenty of fluids and should not consume alcohol and should never smoke or be near someone who smokes during pregnancy.
How long is the longest gestation period?
The longest gestation period in mammals is that of the African elephant, at around 23 months, or just under 2 years. That is one long pregnancy:
How long does a baby's gestation last?
Contrary to the popularly held “9 Month” belief, from the date of conception, gestation actually lasts closer to about 10 months.
How long does it take for an elephant to have a baby?
Gestation periods vary greatly among mammals. Elephants have a gestation period of 600 days (almost 2 years), while rabbits produce offspring in just 1 month. What causes this huge variance?
How much milk do elephants drink?
African elephant calves are born weighing around 200 lbs (~90 kg) and drink about 11 litres of milk a day. They start weaning around a year, but weaning tends to depend on the presence of younger siblings and can take until they are ten.
How old do elephants stay with their offspring?
An elephant is bigger, yes, but it also has to be able to keep up with its herd as it wanders. They typically nurse until they are at 2 years old, and will normally stay with the herd forever if female, though a male elephant will leave at around 15 years old, sometimes as old as 19 years old. They are then considered “bachelor” elephants, and though they sometimes live alone, they will often stay with other males in bachelor groups.
How long does a blue whale gestate?
The largest animal on earth, the blue whale, has a much shorter gestation period of just 11 months:
How many days does it take to deliver a baby?
Approximately, and on average, 275 days; just under 40 weeks. Ranges vary based on source, but gestational process up until a prescribed “due date” for delivery of the pregnancy—medically synonymous with “Estimated Date of Confinement (EDC)”—very typically range from 37 to 43 weeks. This range corresponds to the terminal phase, third trimester.
What is gestation in a woman?
Gestation. Animation of a CT scan of a woman with a fetus at 37-weeks of gestation. Gestation is the period of development during the carrying of an embryo or fetus inside viviparous animals. It is typical for mammals, but also occurs for some non-mammals.
How do ovoviviparous animals develop?
Ovoviviparous animals develop within eggs that remain within the mother's body up until they hatch or are about to hatch. This strategy of birth is known as ovoviviparity. It is similar to vivipary in that the embryo develops within the mother's body. Unlike the embryos of viviparous species, ovoviviparous embryos are nourished by the egg yolk rather than by the mother's body. However, the mother's body does provide gas exchange. The young of ovoviviparous amphibians are sometimes born as larvae, and undergo metamorphosis outside the body of the mother.
What is viviparous animal?
A viviparous animal is an animal employing viviparity: the embryo develops inside the body of the mother, as opposed to outside in an egg ( oviparity ). The mother then gives live birth. The less developed form of viviparity is called ovoviviparity, which, for instance, occurs in most vipers. The more developed form of viviparity is called placental viviparity; mammals are the best example, but it has also evolved independently in other animals, such as in scorpions, some sharks, and in velvet worms. Viviparous offspring live independently and require an external food supply from birth. Certain lizards also employ this method such as the genera Tiliqua and Corucia. The placenta is attached directly to the mother in these lizards which is called viviparous matrotrophy.
What is the time interval of a pregnancy?
The time interval of a gestation is called the gestation period. In human obstetrics, gestational age refers to the fertilization age plus two weeks.
How long is a pregnancy?
Human pregnancy can be divided roughly into three trimesters, each approximately three months long. The first trimester is from the last period through the 13th week, the second trimester is 14th–27th week, and the third trimester is 28th–42nd week. Birth normally occurs at a gestational age of about 40 weeks, though it is common for births to occur from 37 to 42 weeks. From the 9th week of pregnancy (11th week of gestational age ), the embryo is called a fetus.
Where do ovoviviparous amphibians lay their eggs?
The young of ovoviviparous amphibians are sometimes born as larvae, and undergo metamorphosis outside the body of the mother. The fish family Syngnathidae has the unique characteristic whereby females lay their eggs in a brood pouch on the male's chest, and the male incubates the eggs.
What is the less developed form of viviparity?
The less developed form of viviparity is called ovoviviparity, which, for instance, occurs in most vipers. The more developed form of viviparity is called placental viviparity; mammals are the best example, but it has also evolved independently in other animals, such as in scorpions, some sharks, and in velvet worms.
What Is The Gestation Period For Humans?
- Human gestation spans about 9 months from conception to birth; however, there is also a range in which the time span can last for what could be considered full-term.
Predicting Due Dates
- Expecting parents who wish to predict their baby's due dates have several ways of doing so. It is one of the most important dates, since it allows the parents enough time to prepare for the baby's arrival.
Trimesters
- Gestation is often divided into three sections of 12-14 weeks, or 3 months, known as trimesters. In a full term pregnancy, there are three trimesters, and each one has its own hormonal, physiological, and developmental changes.
Premature and Overdue Infants
- Outside the range of time considered to be full term, infants may be born earlier (premature) or later than 42 weeks (overdue). There are important health risks associated with both of these scenarios.