First trimester · Week 11 of pregnancy
11 weeks pregnant: body, feeding, and care
Genitals begin to develop, tooth buds and hair follicles form, and the fetus can open and close its fingers.
Body and care — week 11
Genitals begin to develop, tooth buds and hair follicles form, and the fetus can open and close its fingers. Development notes on this page are general education summarized from ACOG patient-education material; they describe typical development, not your pregnancy specifically. Anatomy and growth are confirmed by your own provider and ultrasounds.
This week's checklist
- Note one body question — sleep, appetite, movement, comfort — and bring it to your next prenatal visit rather than searching it at 3 AM.
- Keep prenatal appointments on the schedule your provider sets; bring your questions list.
- Anything that worries you — bleeding, pain, reduced movement later in pregnancy — goes to your provider or urgent care first, never to a website.
Week 11 questions
What is happening at 11 weeks pregnant?
Genitals begin to develop, tooth buds and hair follicles form, and the fetus can open and close its fingers.
Which trimester is week 11?
Week 11 falls in the first trimester (weeks 1–13). See the first trimester hub.
How is a due date calculated?
A due date is typically estimated as 280 days (40 weeks) from the first day of the last menstrual period. It is an estimate — try the client-side due-date calculator; your provider's dating outranks it.
Educational information only — not medical advice. Every pregnancy and every baby develops on their own timeline. If you have any concern, talk to your obstetric provider or your baby's pediatrician.