Marijuana use could cause tubal pregnancies
...eptor than did the brain. They also found that the uterus produced one of the activating molecules, called a...tion that prevents human embryos from reaching the uterus is one known cause of ectopic pregnancy, Dey said. Polymorphisms (different forms) of the CB1 gene h...Study yields insights into precancerous condition
...ncers of the gastrointestinal tract, lung, breast, uterus and ovaries. Caused by a mutation that inactivates the tumor suppressor gene, LKB1, PJS is characterized by the development of pigmented spots on the skin and the formation of gastrointestinal polyps. "There is a 30 to 50 percent chance that these ...Italian research links diet with endometriosis risk
...ly in the lining of the womb, develops outside the uterus and attaches itself to ligaments and organs in the abdominal cavity. This tissue responds to the menstrual cycle as though it were still inside the uterus. The repeated growth and disintegration of endometrial tissue in the abdomen can cause bleeding...Feeding cottonseed meal to female fallow deer safe at low rates
...roups. Progesterone is a hormone that prepares the uterus for implantation of the fertilized ovum, helps maintain pregnancy and promotes mammary gland development. Randel noted that although the study indicates cottonseed meal can be safely included in rations for both male and female deer, careful consid...Case researchers substantiate bacterial link to preterm birth through mice studies
...n three ways: The infection is localized to the uterus and is not a systemic infection. Live bacteria we...entually spread to the amniotic fluid of the mouse uterus and mimicked an infection in humans associated with preterm birth. "Periodontal disease is treatab...Fetal lungs provide a signal initiating labor, UT Southwestern researchers find
...as a hormone of labor that signals to the mother's uterus when the fetal lungs are sufficiently mature to wi..., and the number of macrophages in the wall of the uterus increases with the initiation of preterm labor. When women go into labor at term, they also have an ...OHSU team discovers compound that lacks estrogen's risks
...n rapid cell signaling. In this way, it avoids the uterus and breasts, whose growth is stimulated by estrogen through a different pathway, leading to increased cancer risk. The hypothalamus "controls all autonomic functions and maintains homeostasis eating, drinking, sex behavior, maternal and even pate...Novel approaches to current cellular therapies continue progress toward disease prevention
...vitro to the blastocyst stage and implanted in the uterus of yet another unrelated donor cow. Embryos were removed from the maternal donor cow's uterus at 100 to 110 days gestation and harvested for fetal liver cells, which are known to be a rich sourc...UT Southwestern researchers discover method of postponing labor in mice
...tors for progesterone, a hormone that prevents the uterus from contracting throughout most of pregnancy. The...receptors are maintained at elevated levels in the uterus throughout pregnancy and after labor begins. "We postulated that labor is caused by a number of fac...Muslims embrace brave new world of IVF
...onor whether providing sperm, eggs, embryos, or a uterus would be considered tantamount to zina, or adultery," explained Dr Inhorn. Artificial insemination or IVF with the husband's own semen, however, is allowed in Sunni Islam, and the resulting child considered the legal offspring of the couple. In addi...World first for Swedish researchers mice born from transplanted wombs
...e developed a technique for transplantation of the uterus from one mouse to another: in each recipient mouse the transplanted uterus was placed alongside the normal uterus, which acted as a control. After transplantation between gene...For ferrets, GPI means 'get pregnancy initiated'
...its outer layer, called a trophoblast, invades the uterus to establish a supply link for nutrients from the ...onesestrogen and progesterone help prepare the rat uterus for implantation. At Tulane University, researchers are examining two genes-called Hoxa-10 and Hoxa-...Isolation of ferret protein promising for cancer, reproductive studies
...days after mating when the trophoblast invades the uterus to establish a fetal-maternal connection to allow nutrients into the fetus. If ovulation occurs without fertilization, ferrets experience a pseudopregnancy. Implantation of the embryo is the first step in the establishment of pregnancy in mammals th...Tracking every egg? AAAS report lists practical options for regulating human cloning
...re that: The transfer of a cloned embryo into a uterus would be illegal; Facilities conducting research cloning would not house fertility labs; All products of research cloning, and their outcome, would be recorded; and Shipment or transport of cloned embryos would not be allowed (though the transport...New research tool allows perimenopausal women to assess their ovulation status
...al sites. Eligibility criteria required an intact uterus and at least one ovary present at the time of recruitment; at least one menstrual period in the three months before recruitment; no use of sex steroid hormones within three months before recruitment; not currently pregnant; and compliance in maintain...Italian research reveals a new twist in the battle of the sexes
...rvives more easily than another. The lining of the uterus may favour the implantation of one of the two types of embryos. It's possible that there is a higher rate of very early miscarriage among boys (before a woman even knows she is pregnant). Sperm concentration may vary according to the seasons and we c...Fertility study shows increased estrogen shortens window of implantation in mice
...ining. The interplay of signals between embryo and uterus during implantation is complex, yet recent finding...ttern is changing from region to region within the uterus with changing estrogen levels," said Dey. The applicability of these findings to humans is uncertai...Scientists discover what makes human embryo attach to uterus
...t, express a protein known as L-selectin while the uterus becomes enriched with carbohydrates. L-selectin no...iopsies taken before and after the period when the uterus is most receptive to implantation. Using antibodies that recognize a part of the key carbohydrate, t...Researchers discover how embryo attaches to the uterus
...on its surface and molecules on the surface of the uterus to attach itself to the wall of the uterus. This ...th a protein known as L-selectin. The wall of the uterus is coated with carbohydrate molecules. The researchers believe that as the blastocyst travels along...Study of menopausal women finds no benefit from hormone therapy and antioxidant vitamins
...trogen (Premarin, 0.625 mg) if they did not have a uterus or 1 daily tablet of conjugated equine estrogen (P...y. The hormone preparation taken by women with a uterus was the same as that used in the much larger Women's Health Initiative study, which was stopped in J...