After a miscarriage

Low concentrations may lead to enamel defects, early tooth decay, study finds

Four factors were 70% accurate in determining if end result was pregnancy

Ways to tame mood swings

Hormonal effects may be to blame, researchers say

Rats fed junk food had higher cholesterol, blood fats into adulthood, British study finds

Insulin resistance increases and arteries malfunction years later, researchers say

From birth complications to heart disease, top-rated centers a better choice, health study concludes

What they're all about

Here's what may happen

Some safety parameters

Some experts say the procedure should be reserved for high-grade abnormalities

Findings apply to women inactive before pregnancy or previous history of condition

Women with multiple children need to be especially vigilant about oral health, findings suggest

CDC study found link was most pronounced for low-birth-weight girls

Practice didn't affect number of infections, need for hospitalization, study finds

They're more likely to have diminished ovarian reserve producing viable eggs, study suggests

Nurses, midwives urge more reviews, but say practice provides comfort and nutrition

Researchers suggest some of these procedures may just be matter of convenience

The changes would also advise nursing women of any potential risks

Adjust your diet long before conception

Higher levels of allergy marker found in cord blood of stressed mothers' babies

Rex and Tabby need to know the new rules

You can make your trip safe with a little preparation

Childbearing had no such benefit if baby was bottle-fed, researchers noted

Finding may lead to improved pregnancy rates for in vitro patients, fewer multiple pregnancies

Preeclampsia is common and serious, but genetics could bring screening test or treatment

Even non-diabetic levels may cause problems, study finds

If newborn breathes in first bowel movement, serious complications can follow, experts note

That could mean the wrong advice getting passed on to new moms, experts say

Doctor who helped develop product said it could aid couples trying to conceive

Tips for pregnant women who are working

It begins during pregnancy

Studies urge oxytocin use after delivery, re-evaluation of accepted birthing practices

Preferred activities, and those to avoid

More women are overweight as they conceive, raising complication risks, study finds

Potential causes of early labor

Finding another warning to pregnant women that drug use can affect fetal brain development

Don't eat for 2, because complications increase with excess weight

But more recent federal statistics saw uptick in teen pregnancies in 2006

How much do you need?

How much is healthy

Help keep it under control

Even fetus shows lower heart rate when moms-to-be work out regularly

Mom's use of tobacco, alcohol, drugs may affect kids into early adolescence, study shows

Too little -- or too much -- time between births can be risky, research suggests

Study points to anesthetic gases, radiation and pesticides as probable causes

Finding could lead to advances in organ transplantation and stem cell research

Study finds the extra health-care costs strain the system

Huge gap exists between best and worst states, with Vermont on top and Louisiana at bottom

Those in car crashes where baby is injured or dies are unbelted 62% of the time

Many mothers return to old habits if father continues smoking, drinking, study says

Finding may explain reasons for higher risk of heart disease in these mothers

Finding won't change practice, but could help illuminate labor process, experts say

Deficiency could cause even more serious troubles later on, study suggests

Survival, reproduction rates are decreased in those born early, study finds

Study also suggests it won't boost sexual activity among youth

Enjoy its benefits, but take precautions

Prospective dads might want to up their intake of the nutrient, study suggests

How it can help

Their children had lowest chances for unpredictable behavior, dealt better with stress

Finding may help scientists recreate this microenvironment for disease treatments

49% carried second baby within 2 years of the first, study finds

Maintain a healthy body image, positive outlook

Moms-to-be should monitor movement

Suggestions to stay comfortable

Preliminary research showed it greatly boosted pregnancy chances

Risky behaviors may damage sperm, experts say

Soaring body temperature isn't good for you or baby

Be careful of the products you use

Study links a brain area to later learning deficits

The problem is particularly widespread among Medicaid families, study finds

Group sets guidelines on monitoring for fetal growth restriction, preterm birth

Researchers note most hospitals already stocked with simple, inexpensive solution

Women took the B vitamin for one year before conception, study reports

Foods to avoid

Findings show that, like humans, they reached sexual maturity early to improve odds of survival

Drinking more than 200 milligrams daily doubles risk, study finds

New report does find medical abortions on the increase

Take care of your body

How to calculate your cycle

A single miscarriage boosted the odds by 67%, study found

Classes impact boys more than girls, national survey finds

Rat studies suggest the senses learn to like drinking early on

Chimps, other primates don't seem to have a marked cut-off for fertility, researchers say

Female spine has evolved to better accommodate pregnancy, study says

Birth rates among unmarried women, C-section deliveries also hit new high last year

Shared fetal environment may be to blame, researchers say

There's new evidence that the reproductive tract favors one mate over another

A list of possible causes

Blood testing cuts down on seizures linked to lamotrigine use, research shows

It's potentially another helpful role for p53, scientists say

But a cause for the connection is still being sought

Contaminated water could boost child's cancer risk, study finds

Help ensure that your results are accurate

Vitamin A-derived retinoic acid helps guide development, scientists say

It gives clues to neurological progress in toddler years, study finds

They're at greater-than-average risk of complications

Late preterm infants 6 times more likely to die during first week of life, study finds

And women's risk gets even smaller 10 years after stopping the drug, researchers say

It cut their risk for neurodevelopmental trouble, researchers say

Canadian study shows reduction after folate added to foods

More cases of a heart anomaly in babies born to infected women, study found

Most women need help and support to do it well, experts say

Women need to be aware of their heart disease risk before and after pregnancy

The condition can pose dangers to mother, baby, experts note

Protective membranes ruptured in week 20 of pregnancy, German team reports

Tips for pregnancy-related nausea

Rates were similar whether procedures were legal, illegal, survey also found

Thyroid woes have been linked to poorer outcomes, but ob/gyn experts say routine screen unnecessary

Too many aren't consuming recommended levels, experts say

22 new centers now added, first participants set to join next year, officials say

Nutritional deficiencies and genetics may be to blame, researchers suggest

Doctors need to be more proactive in diagnosing the condition, study says

H5N1 also migrates to organs other than lungs, autopsy study shows

They boost the quit rate but raise odds of premature birth, experts note

Doctors aren't cautioning patients on medication-associated dangers, study finds

Non-invasive test for fetal RNA offers possible advance over invasive tests

That should mean fewer serious birth defects, U.S. experts say

But they differ from woman to woman

Antibiotics during delivery protect against potentially deadly infection

Increased chances of being overweight, obese by age 7 were virtually erased, study finds

Better prenatal and in-hospital education would help, researchers say

Studies found hormone helped those with short cervix, but not those carrying twins, triplets

The genistein in soy might also minimize BPA's influence on baby, study finds

And that rise might continue until later in life, experts say

Treating babies soon after birth is clearly effective, African study finds

Neurological changes could boost risks for ADHD, other problems, researchers say

Eat right and cut out smoking, drinking to boost fetal health, experts say

A sudden rise in blood pressure during pregnancy

ICSI rates surging in U.S., but studies question its effectiveness, safety

They say convenience is not a valid reason for the elective surgery

A condition during pregnancy

State-by-state 'report card' shows rates nearly doubled in two years