Mobile Menu
HowStuffWorks
Science Tech Home & Garden Auto Culture
Health Money Animals Lifestyle Entertainment Quizzes Coupons
Mobile Newsletter
1
Search Close Search
  • Science
  • Tech
  • Home & Garden
  • Auto
  • Culture
  • Health
  • Money
  • Animals
  • Lifestyle
  • Entertainment
  • Quizzes
  • Coupons
Sign up for our Newsletter!
Mobile Newsletter banner close
​
HowStuffWorks Newsletter
Mobile Newsletter chat close
Mobile Newsletter chat dots
Mobile Newsletter chat dots
Mobile Newsletter chat dots
Mobile Newsletter chat avatar

Advertisement

HowStuffWorks
Health
Pregnancy & Parenting
Pregnancy
Fetal Development

Fetal Development

Fetal Development answers your questions about the changes that take place in the womb during pregnancy. Learn about each of the three trimesters and the developmental milestones that occur in each.

More Health Topics to Explore:

Conception Diet & Exercise Fertility & Infertility Labor & Delivery Postpartum Care Pregnancy Complications Pregnancy Issues More
The Shocking Story of Lina Medina, Who Gave Birth at Age 5

The Shocking Story of Lina Medina, Who Gave Birth at Age 5

You Can Get Pregnant When You're Already Pregnant

You Can Get Pregnant When You're Already Pregnant

Can you get pregnant after having gonorrhea?

Can you get pregnant after having gonorrhea?

Exercise During Pregnancy

Exercise During Pregnancy

Can a woman get pregnant during her period?

Can a woman get pregnant during her period?

Does diabetes affect fertility?

Does diabetes affect fertility?

Hormone Imbalances and Infertility

Hormone Imbalances and Infertility

C-sections Can Affect a Baby's Immune System

C-sections Can Affect a Baby's Immune System

Quick Tips: Pedicures and Labor

Quick Tips: Pedicures and Labor

How a Baby Experiences Labor and Delivery

How a Baby Experiences Labor and Delivery

How to Deal with Swelling After Pregnancy

How to Deal with Swelling After Pregnancy

How does postpartum depression affect infants?

How does postpartum depression affect infants?

How to Minimize Stretch Marks After Pregnancy

How to Minimize Stretch Marks After Pregnancy

Miscarriage Overview

Miscarriage Overview

If a Woman Has Two Wombs, Can She Get Pregnant in Both?

If a Woman Has Two Wombs, Can She Get Pregnant in Both?

A Guide to Pregnancy Complications

A Guide to Pregnancy Complications

Rare Condition Causes New Mom to Lactate Outside Her Breast

Rare Condition Causes New Mom to Lactate Outside Her Breast

What Is the Linea Nigra of Pregnancy?

What Is the Linea Nigra of Pregnancy?

Is it possible for a pregnant woman to be allergic to the placenta?

Is it possible for a pregnant woman to be allergic to the placenta?

Learn More / Page 2

Advertisement

Advertisement

Advertisement

Advertisement