First Trimester
1 Weeks Pregnant
Your baby is the size of a Poppy seed 🌱
🌱
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Poppy seed
📐
Length
< 0.1 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
First
⏱️
Week
1 of 40
🌱 Baby Development at Week 1
Your menstrual cycle begins. The body is preparing for possible fertilization. The uterine lining starts thickening.
Menstrual cycle beginsBody prepares for ovulation
🤱 Common Symptoms
●Light bleeding or spotting
●Mild cramping
●No pregnancy symptoms yet
🥗 Nutrition Tips
- Start taking 400mcg folic acid daily
- Eat iron-rich foods like leafy greens
- Stay well-hydrated
🏃♀️ Exercise Tips
- Light walking is ideal
- Avoid high-impact sports if actively trying to conceive
- Yoga or stretching works great
🏥 Medical Tests & Appointments
Preconception checkup if planningFolic acid supplementation recommended
🔬 Hormone Changes
FSH (follicle-stimulating hormone) rises to stimulate egg development in the ovaries.
Frequently Asked Questions
Common questions answered by our medical team