A mum-to-be is always taken by surprise when she is told that she is carrying twins. While you get a set of children during the same pregnancy, it also leaves you vulnerable to many possible complications and may need medical supervision. A twin conical twin screw pregnancy places greater stress on a woman's body. It is essential to be informed about the special nutritional needs and possible medical conditions.Twins can be the same (identical-monozygotic) or different (fraternal-dizygotic). Fraternal twins, triplets, or more develop when two or more eggs are fertilized by separate sperm. Fraternal fetuses have separate placentas and amniotic sacs (the bag containing the fluid around a baby).Identical twins come from a single egg that has been fertilized by one sperm. For unknown reasons, the fertilized egg splits into two or more embryos during the first stage of development. Some identical twins share the same placenta.
However, they usually grow within separate amniotic sacs in the uterus. In rare cases, identical twins share one amniotic sac (monoamniotic).Fraternal multiples:1. Can be of different sexes and may have different blood types.2. They may look very different from one another, with different-coloured hair and eyes. They may also look alike, as siblings often do.3. Tend to run in families.4. They are more common in older mothers, African races and when there is a family history of twins. They are least common in Asian families. If you have already carried fraternal twins, you have double the usual risk of having twins. A history on your partner's side of the family does not increase your risk of multiple pregnancy.Identical twins1. Are always the same sex and blood type.2. They do not necessarily look exactly alike. One may be right-handed while the other is left-handed.3. They develop at random. They are not related to maternal age, race, or family history of twins.4. Multiples that are conceived with infertility treatment are usually fraternal, rather than identical.What are the causes of multiple pregnancy?1. With increasing maternal age the chance of twins increases. To put it in perspective, your chance of giving birth to twins if you are less than 25 years of age is less than half of what it would be after the age of 35.2. You are more likely to conceive twins in the first few menstrual cycles after stopping birth control pills.3. Infertility treatment. Fertility drugs stimulate your ovaries to release multiple eggs, which can be fertilized at once. This may result in a multiple pregnancy. You are, therefore, more likely to have a multiple pregnancy if you use fertility drugs or assisted reproductive technology (ART - In Vitro Fertilization IVF).4. ART is the transfer of embryos directly into the uterus. In the early days, when success rates were extremely low, several embryos were transferred in the hope of achieving a pregnancy.
Nowadays, 25% to 30% of pregnancies from ART are twins; 5% are triplets and less than 1% are quadruplets or more. As techniques have improved, success rates from IVF/embryo transfer have increased and reasonable success rates are being achieved with single embryo transfer and this reduces the incidence of multiple pregnancies.Symptoms of Twin PregnacyAs discussed above, while some of the pregnancy symptoms experienced by parents of twins are not any different than the early signs of pregnancy of those who carry a single baby, the following would interest you:a. Weight Gain parents who are pregnant of twins might experience unusual weight gain. The first semester of pregnancy would show a dramatic weight gain where the last semester would show more than 5 pounds difference compared to single pregnancies.b. Severity of Symptoms symptoms of pregnancy would sometimes double for multiple pregnancies. There were also reports of severing on several symptoms that usually are non-existent for singles while some would report none.
What is the prevalence of multiple pregnancy?The natural incidence of twins is 1 in 80 pregnancies and for triplets 1 in 8000 pregnancies. The incidence is rising as a result of IVF and a tendency for women to deliver later in their reproductive years. Naturally occurring quadruplet births occur in 1 per 600,000 births. The UK would, therefore, expect one set of naturally occurring quadruplets each year. There are estimated to be approximately 125 million human twins and triplets in the world, and just 10 million identical twins.One in two pregnancies with same sex babies are monozygous (identical twins). The rate of identical twins remains at about 1 in 333 pregnancies across the globe.Consider complicationsHealthy multiples are born every day. But it's important to be aware of possible complications. For example: * Preterm labor. Most pregnancies last 38 to 42 weeks. For a twin pregnancy, 37 to 39 weeks is optimal. Preterm labor refers to contractions that begin to open the cervix before week 37. Sometimes preterm labor can be stopped with fluids, rest or medication. * Preterm birth. If preterm labor can't be stopped, your babies may be born too early the most common problem for multiples. You may be given injections of a steroid medication to speed your babies' lung development. Even then, the smallest preemies may fight to survive. Complications may include low birth weight, breathing and digestive difficulties, underdeveloped organs, learning disabilities and developmental problems.
Additional InformationM-O007083 Plastic Screw CapManufactured In USAManufacturer Martin YaleManuf Part Tianxiang Screw profile MO007083Model M-O007083Expected Ship Date 1-3 DaysWeight 1.0000Compatible Cutters Martin Yale 7000E
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The market forces determining the shaping of the Phosgene market have been evaluated in detail. In addition to this, the regulatory scenario of the market has been covered in the report from both the Global and local perspective. Market predictions along with the statistical nuances presented in the report render an insightful view of the Phosgene market.
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