You may also experience light spotting if a fertilized
egg implants into the uterus.
An estimated twenty percent of women will experience bleeding when the fertilized
egg implants into the uterus.
After ovulation, the corpus luteum (a fancy Latin word for the structure that remains after the ovarian follicle releases the egg) produces progesterone, which helps a fertilized
egg implant into the wall of the uterus.
Not exact matches
Topher, or perhaps the ark had a cryogenics labbratory where they kept frozen fertilized dinasour embryos that could be later
implanted into ostrich
eggs.
Sometimes signs of that the
egg is
implanting into the womb lining can be from six to twelve days after ovulation.
Meanwhile, seven or eight days after a sperm fertilizes an
egg in week 4 of pregnancy, a mass of cells — the earliest form of an embryo —
implants into the wall of the uterus.
It is where the fertilised
egg is
implanted after which the cells develop
into a fetus and finally
into a baby who will be born after nine months.
Twenty healthy mouse pups were born after fertilised
eggs from the treated ovaries were
implanted into surrogate mothers (Proceedings of the National Academy of Sciences, DOI: 10.1073 / pnas.1001198107).
They then
implanted those
eggs into surrogate mothers — either Spanish ibexes or ibex - goat hybrids.
Fishel's team filmed 88 newly fertilised
eggs from 69 couples in their incubator until they become blastocysts — the small ball of cells that is
implanted into the womb.
The modified cell nuclei were then inserted
into unfertilized
eggs to create engineered pig embryos, which were
implanted in a normal sow.
In the initial work at the Roslin Institute, the
egg cells along with their transplanted nuclei were then
implanted directly
into a foster mother, where they developed and, in the case of Dolly, resulted in a viable offspring.
The scientists then fertilized the modified
egg with the father's sperm before
implanting it
into the mother's uterus.
The
eggs were then cultured for a period before being
implanted into sheep that carried them to term, one of which culminated in a successful birth.
EGG - CITING DEVELOPMENT Germline stem cells (orange circles, left)
implanted into a mouse's ovary move to the edge of the ovary (middle) and begin developing
into eggs.
With more - than -30-year-old frozen tissues from a preserved frog, the team extracted and
implanted the nucleus of a dead cell
into a fresh host
egg from a distantly related species.
That
egg now contains an exact duplicate of the donor's genome, and if all goes well when it is
implanted into a surrogate mother, a clone will result.
To make Dolly, researchers took the nucleus out of a mature
egg and replaced it with the nucleus from a cell of the ewe they wanted to clone; then they activated development with electrical pulses and
implanted the embryo
into a surrogate mother ewe.
To clone Snuppy, the researchers
implanted nuclei from his father's ear cells
into eggs from female dogs, having removed the
eggs» nuclei.
Using a process called somatic cell nuclear transfer (SCNT), a team from Oregon Health & Science University (O.H.S.U.) in Portland
implanted the contents of individual skin cells from adult male rhesus macaques
into each of 304 macaque
egg cells stripped of their genetic material.
After a woman's
eggs have been fertilised in the lab, an embryo is surgically inserted
into the womb, but can often fail to
implant in the uterine lining.
The researchers then injected the resulting spermlike cells — which couldn't swim — directly
into eggs and
implanted them in surrogate mouse mothers.
The resulting
egg would then be
implanted into the first woman using traditional IVF techniques.
Electrodes are
implanted into a region just below the thalamus, the quail -
egg - shaped structure in the center of the brain.
They transferred a treated nucleus
into a cow
egg cell, which was fertilised and
implanted into another cow.
The cell's nucleus was removed, transferred
into an
egg from which the DNA had been removed, cultured and then
implanted as an embryo
into the womb of a surrogate sheep.
The
eggs are then
implanted into a foster mother and allowed to develop to term.
The healthy fertilised
egg is then
implanted into the mother's uterus.
The next steps in cloning would be to 1) insert a donor nucleus of a new bird
into the enucleated
egg cell, 2) stimulate embryonic growth, and 3)
implant the embryo
into a mother bird or
egg.
SCNT is a technique wherein the nucleus from a somatic cell (an adult cell that is not a sperm or
egg, i.e. not the gametes) is
implanted into an enucleated
egg cell which can then be
implanted into, and develop in, a surrogate mother, and potentially become an adult organism.
SCNT is a technique wherein the nucleus from a somatic cell (an adult cell that is not a sperm or an
egg) is
implanted into an enucleated
egg which can be
implanted into, and develop, in a surrogate mother, and potentially become an adult organism.
In 1938, Hans Spemann showed that a nucleus from a fertilized salamander
egg that had already undergone cell division several times could be
implanted into a cell from a newly fertilized salamander
egg that is enucleated (has had its nucleus removed) and create an entire adult salamander (Spemann, 1938).
Researchers have successfully created functional sperm cells from mouse stem cells in the laboratory, then
implanted those cells
into rodents»
egg cells to produce healthy, fertile offspring.
Tumors called submucosal fibroids — which bulge
into the uterine cavity — may make it more difficult for a woman to get pregnant and stay pregnant, because they can interfere with an
egg's ability to
implant in the womb.
If no fertilized
egg is
implanted, a hormonal process goes
into action, triggering the shedding of the uterine lining as your normal menstrual period.
With too short of a luteal phase, the fertilized
egg may not be able to make it down the fallopian tubes
into the uterus to
implant before your period comes making pregnancy much more difficult.
IVF is a process whereby
eggs are fertilised with sperm outside the body (in a «test tube», as it's more commonly known), after which the resulting embryos are
implanted into a female to gestate.
Pregnancy, according to widely accepted medical definitions, occurs when sperm fertilizes an
egg, which then
implants into the woman's uterus.
That
egg is then
implanted into her partner (the «Birth Mother») who gives birth in 2004.