Articles related to "Fertilized Egg"

It seems aphids have two purposes in life: eat and reproduce. Though their feeding method is simple, their reproductive methods are highly varied and complex.

There is a huge debate surrounding emergency contraception and it is causing some confusion about what it really is.

The North Dakota abortion ban has negative consequences for reproductive health services, contraception, in vitro fertilization, and stem cell research.

Zebra finches breed easily in captivity. The birds' caretakers should know what to expect from breeding finches, and how to deal with eggs, wanted or unwanted.

Male infertility may be caused by low sperm count, abnormal sperm, failure to ejaculate, exposing the testes to high temperatures and blocked sperm ducts.

Most male mantids mate and live for another day because well fed females do not attack their mates.

Mitosis is how the cells of our body make more cells for growth, development and repair. Meiosis is how our body makes sex cells, or gametes (eggs or sperm).

Female infertility is caused by endometriosis, ovulation problems, polycystic ovary syndrome, poor egg quality, damaged Fallopian tubes, fibroids and lifestyle factors.

Miscarriage is a type of pregnancy loss that usually happens in early pregnancy. It is helpful to identify why this happens and the risky behaviours associated with it.

There are two main categories of genetic mutation based on the type of cell they occur in. Changes to a person's DNA can be inherited or acquired after fertilization.

The Montana Senate has passed legislation giving legal rights "a human being at all stages of human development of life," effectively banning abortion.

The menstrual cycle has 3 distinct phases that affect a woman's fertility. An egg is developed, then released, then either fertilized or shed through menstruation.

Learn about how kittens are created, including how they develop in the womb.

A luteal phase defect can contribute to problems getting pregnant. If this phase of the cycle is not long enough, it cannot sustain a pregnancy.

It all begins with the fusion of a haploid sperm cell provided by the father and the haploid ovum of the mother. Gametes unite when the nuclei of sperm and egg merge.

A miscarriage, or spontaneous abortion, has always mystified people. Read on to find out why it happens, how it happens and how to prevent it.

This article series provides information of how mitotic and meiotic cell division differ and how these processes are integral to the human life cycle.

Women who experience ectopic pregnancy are forced to go through both physical and emotional pain. Although terrifying, there is hope to achieving a healthy pregnancy.

Many women experience menstrual cramps with their monthly period and figuring out how to manage them can be challenging.

Most pregnancies result in a healthy, happy baby being born; however, two in 1000 pregnancies are ectopic according to the Mayo Clinic website.

The morning after pill is used by women to protect them after regular contraceptives fail. Know how it works and where to get it.

Classical genetics is the oldest field within genetic science, and an essential foundation for several other disciplines.

A new experimental procedure discovered may one day lead to human male fertility treatments. Scientists learning to differentiate stem cells from marrow to proto-sperm.

North Dakota House of Representatives has effectively banned abortion by giving legal rights to fertalized eggs.

The North Dakota Senate passes a bill banning discrimination based on sexual orientation and gender identity in employment, housing, and other areas.

Biologists are studying the reproductive cycle of polar bears around the world. Their findings will be important when making management decisions for Arctic resources.

Fungi, mosses, lichens, and ferns are among the plants that produce spores rather than seeds as their vehicles of reproduction.

The NuvaRing, a flexible birth control ring that is inserted into the vagina, makes intercourse more spontaneous and is more effective than the Pill.

Aggregate and multiple fruits are fruits that develop in clusters.

Some living things reproduce by cloning; producing offspring that are genetically identical to the parent. Organisms that procreate sexually create genetic novelty.

A baby girl called Stella has been born 21 years after the sperm that conceived her had been frozen. She has thought to have broken the world record.

Women with bacterial vaginosis are more likely to be infected with HIV-AIDS and other sexually transmitted infections, underscoring the need for prevention.

Bunga Telur is the guest favour at Malay weddings, symbolising fertility. Find out how it is prepared and how it has evolved over time.

Advanced infertility treatments now include in vitro fertilization, gamete intrafallopian transfer, zygote intrafallopian transfer and intracytoplasmic sperm injection.

Influenza vaccines are made after researchers determine the strain of virus creating the endemic or pandemic. This process uses chicken eggs.

Blighted ovum, or early pregnancy failure, is a common type of miscarriage where a fetus either doesn't form correctly or never forms at all.

An ectopic pregnancy happens when a fertilized egg implants somewhere other than the uterus. If untreated, it can cause life-threatening hemorrhaging for the mother.

According to the Mayo Clinic in Rochester, Minn., female infertility accounts for 40 to 50 percent of all couples classified as infertile.

Fish sex doesn't conform to traditional ideas. Fish can reproduce by laying eggs, delivering live births, and fertilizing eggs internally or externally.

Hcg levels in early pregnancy are what pregnancy tests are measuring in order to detect a pregnancy. These hcg levels can also help identify a pregnancy in trouble.

Cervical mucus plays a vital role in conception. Quality cervical mucus is vital for sperm to live in, and therefore, for getting pregnant.

Epigenetics, chemical alterations to chromosomes, have been found to be inherited, affecting disease incidence in families and gene expression.

Marine mouthbrooders such as cardinalfish are great aquarium fish for the beginning aquarists, especially if they are interested in trying their hand at captive breeding.

Many women are interested in skipping or even completely stopping their periods and there are several drugs available to help them.

Information and statistics from the American Pregnancy Association (APA) help to answer questions about the incidence, causes, and risk factors for miscarriage.

Pelvic inflammatory disease (PID) is an infection of the upper genital tract that can lead to infertility and other serious complications.

With the FDA's nod towards over-the-counter access to Plan B by 17-year-olds, looms the danger of undiscovered, unanticipated and unreported physical effects.

The Food and Drug Administration has been given 30 days to allow 17-year-olds non-prescription access to the morning-after pill, Plan B.

Chickens are the world's most common domestic bird, outnumbering humans four to one, but how much do most people really know about them?

With twin and triplet pregnancies on the rise, here are a few symptoms which may help you figure out if you are about to become a mother of multiples.