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Marcella Israel, OB/GYN
Science Writer at Clue
I’m a Brazilian OB/GYN, humanitarian and mom.
Endometriosis
Everything you’ve ever wanted to know about endometriosis
A guide to endometriosis, its symptoms, and treatments
LGBTQIA+
The science behind periods and gender
Trans inclusion does not exclude women. We are here to explain why.
Birth Control
Which birth control is right for me?
Choosing the type of birth control that’s right for you can be overwhelming. Don’t worry—we’re here to help.
Trying to Conceive
How old is too old to have a baby?
If you are 35 or older, it’s likely that what you’ve read on the internet or heard from friends might...
Pregnancy, Birth & Postpartum
What are postpartum mood disorders?
What are the baby blues? Postpartum mood disorders 101
Pregnancy, Birth & Postpartum
Sex, fertility, and contraception after birth
If you’re not sure how long to wait to have sex after birth, when to start birth control, or what...
Skin & Hair
Hair and skin changes: your 20s and 30s
Understanding what is normal and what might indicate a hormonal disorder may also put you at ease no matter what...
How to Use Clue
How to use the Clue app to help you become pregnant
Track your periods, body temperature, cervical fluid, and ovulation tests.