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Biology Articles » Reproductive Biology

Reproductive Biology

The sexual or asexual process by which organisms generate new individuals of the same kind; procreation.


Reproductive Biology Articles

Cutting off the power of sperm, a new male contraceptive revolution
People always use conventional methods to avoid pregnancy, such as condom or prophylactic.

Date: 8 Aug 2009, Rating: 3.33

1-alpha,25-dihydroxy-vitamin-D3 asnew immunotherapy in treatment ofrecurrent spontaneous abortion
Recurrent spontaneous abortion (RSA) is serious health problem affecting 2–5% of reproducing couples worldwide...

Date: 1 Mar 2009, Rating: 2.80, 6 pages

New insights into thalidomide-birth defect episode
Scientists in Germany have discovered why the medication thalidomide appeared safe in animal tests before going on the market 50 years ago, only to cause perhaps the most extensive outbreak of drug-induced birth defects in medical history.

Date: 17 Nov 2008, Rating: 1.33

Key proteins identified in the quest for male contraceptive
In an advance toward a long-sought new male contraceptive, researchers have identified key proteins in men that suppress production of sperm and could become new targets for a future male birth control pill.

Date: 30 Sep 2008, Rating: 1.00

A “lab on a chip” to improve success of in vitro fertilization
In a finding that could boost the success rate of in vitro fertilization (IVF).

Date: 1 Sep 2008, Rating: 5.00

Maternal position during the first stage of labor: a systematic review
There has long been controversy regarding which maternal position is more appropriate during the first stage of labor.

Date: 23 Apr 2008, Rating: 3.33, 9 pages

Delays in seeking an abortion until the second trimester: a qualitative study in South Africa
This paper reports on results from a qualitative study that explored the factors that contributed towards women accessing abortion services in their second trimester of pregnancy.

Date: 23 Apr 2008, Rating: 3.00, 7 pages

Brazilian obstetrician-gynecologists and abortion: a survey of knowledge, opinions and practices
Abortion laws are extremely restrictive in Brazil. The knowledge, opinions of abortion laws, and abortion practices of obstetrician-gynecologists can have a significant impact on women's access to safe abortion

Date: 23 Apr 2008, Rating: 5.00, 14 pages

The prevalence of stillbirths: a systematic review
Stillbirth rate is an important indicator of access to and quality of antenatal and delivery care.

Date: 22 Apr 2008, Rating: 5.00, 10 pages

Females Promiscuous For The Sake Of Their Grandchildren
Female animals that mate with multiple partners may be doing so to ensure the optimum health of their grandchildren

Date: 22 Apr 2008, Rating: not rated

Mate Or A Meal? Familiarity Decides If Wolf Spider Loves 'Em Or Eats 'Em
A Cornell University behavioral scientist has found that female wolf spiders prefer mates that are comfortably familiar.

Date: 22 Apr 2008, Rating: 4.33

What Gets A Female's Attention, At Least A Songbird's
Male songbirds produce a subtly different tune when they are courting a female than when they are singing on their own.

Date: 22 Apr 2008, Rating: not rated

With Daily Alcohol Use, Male Fruit Flies Court Other Males
A team of researchers has used an animal model to reveal, for the first time, a physiological basis for the effect of alcohol on male sexual behavior

Date: 22 Apr 2008, Rating: 5.00

Electric Fish Conduct Electric Duets In Aquatic Courtship
Cornell researchers have discovered that in the battle of the sexes, African electric fish couples not only use specific electrical signals to court but also engage in a sort of dueling "electric duet."

Date: 22 Apr 2008, Rating: not rated

The Best Both Of Worlds: How To Have Sex And Survive
Researchers have discovered that even the gruesome and brutal lifestyle of the Evarcha culicivora can't help but be tempted by that 'big is beautiful' mantra no matter what the costs.

Date: 21 Apr 2008, Rating: 4.00

Female Birds Boost Up Their Eggs When Hearing Sexy Song
In a new study published in the latest issue of Ethology researchers show that female songbirds can alter the size of eggs and possibly the sex of their chicks according to how they perceive their mate's quality.

Date: 21 Apr 2008, Rating: 5.00

Maternal position during the first stage of labor: a systematic review
This is a systematic review of the effect of maternal position during the first stage of labor.

Date: 2 Oct 2007, Rating: not rated, 9 pages

Prospective assessment of Y-chromosome microdeletions and reproductive outcomes among infertile couples of Japanese and African origin
To compare the frequency of Y-chromosome microdeletions in Japanese and African azoospermic and oligozoospermic men and describe embryo characteristics and reproductive outcome following in vitro fertilization (IVF) with intracytoplasmic sperm injection (

Date: 2 Oct 2007, Rating: 5.00, 7 pages

Serum estradiol/progesterone ratio on day of embryo transfer may predict reproductive outcome following controlled ovarian hyperstimulation and in vitro fertilization
To determine whether estradiol-to-progesterone (E2/P) ratios at the time of embryo transfer (ET) have an effect on implantation and pregnancy in IVF cycles.

Date: 1 Oct 2007, Rating: not rated, 9 pages

Stress and fitness in parthenogens: is dormancy a key feature for bdelloid rotifers?
Bdelloid rotifers are the most common and abundant group of animals that reproduce by ameiotic parthenogenesis, only.

Date: 1 Oct 2007, Rating: not rated, 9 pages