First trimester
Learning Center
Prenatal care: First trimester visits
Prenatal care can help ensure a healthy pregnancy. Here's an overview of first trimester visits.
Mayo Clinic Minute: Steam treatment for enlarged prostate
Find out how steam treatment for enlarged prostate works.
Erectile dysfunction: Viagra and other oral medications
Get the facts on medicines that are taken by mouth for ED.
Blood in semen
Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.
Bent penis
Learn what can cause a curved erection and when you may need to see a health care provider.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Penile implants
Explore your choices and learn what to expect from penile implant surgery.
Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't the most effective birth control. Learn about the pros and cons.
Fetal development: The 1st trimester
Fetal development begins before you even know you're pregnant. Here's what happens early on.
Penis-enlargement products: Do they work?
Considering penis enlargement? Get the facts about male-enhancement pills, pumps, exercises and surgeries.
Refine Your Search
Type
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 13 to 18 years teen
- 80 and over
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
- 00 birth to 01 month newborn
- 02 months to 2 years infant/toddler
- 29 to 40 middle
- 2 years
- 19 to 28 young adult