Your baby is conceived
March 01, 2026
Baby's Size This Week
Week 7
Blueberry
Your baby is about the size of a blueberry this week
Baby Status
Heart Rate
126-149bpm
Listen to Your Baby's Heartbeat
Week 7 - Your baby's heart beats with life
137
BPM
Your baby's heart has beaten 1,139,040 times since conception
Pregnancy Achievements
Heartbeat Hero
Week 6 - Heart starts beating
Tiny Human
Week 10 - All organs formed
1st Trimester Champion
Week 13 - First trimester complete
Halfway There!
Week 20 - 50% complete
Viability Victory
Week 24 - Baby could survive outside womb
Dream Weaver
Week 28 - REM sleep & dreaming begins
Significant Milestones in Embryo/Fetal Development
✨
Week 2
🧪
Positive pregnancy test
March 15, 2026
Week 4
❤️
Organs begin to form, heart starts beating
March 22, 2026 - You are here
Week 5
🩺
Major organs have formed, heart can be heard
April 26, 2026
Week 10
🛡️
Second trimester, risk of miscarriage decreases
May 10, 2026
Week 12
📢
Now is a good time to announce your pregnancy
May 24, 2026
Week 14
👁️
Your baby can now see light
May 31, 2026
Week 15
🔍
Your baby's gender is visible on ultrasound
June 07, 2026
Week 16
🤰
You can feel your baby move around
June 21, 2026
Week 18
👂
Your baby can now hear sounds
June 28, 2026
Week 19
🏥
Premature babies have a chance to survive
July 26, 2026
Week 23
🌬️
Third trimester, your baby can breathe
August 23, 2026
Week 27
💅
Fingernails and toenails have formed
September 27, 2026
Week 32
✅
Your baby is now considered full term
November 01, 2026
Week 37
🎉
Your baby is due any time now!
November 22, 2026
Week 40
Weekly Development Progress
Your baby will double in size this week to about the size of a blueberry. Between now and 20 weeks, your baby will continue to grow at a rapid rate as it develops all the necessary organs and limbs, before finally slowing down and just "gently simmering" for the second half of pregnancy.
At 7 weeks, your baby still looks more fish-like than human-like as it still has a disproportionately large head and a little bit of a tail. Fortunately, the tail will disappear in the next week or so, and the head growth will slow down, allowing the body to catch up (a massive head is often one of the most daunting aspects of giving birth, and for good reason!).
Video & Ultrasound Pictures
Video
Development Week 7 Video
What Your Baby Can Hear
Your baby's ears are still developing. At week 7, the inner ear structures are forming. Baby will begin hearing around week 18.
Hearing Development Timeline
Week 6
Inner ear begins forming
The cochlea and vestibular system start developing from the otic placode.
Week 16
Ears reach final shape
The outer ears are now fully formed and in their correct position on the head.
Week 18
First sounds detected
Baby begins to hear internal sounds: your heartbeat, blood flow, and digestive system.
Week 22
Responds to voices
Baby can hear your voice and may respond to it with movement. They prefer low-pitched sounds.
Week 25
Reacts to music
Baby can hear music and external sounds. Studies show babies prefer classical and soft music.
Week 27
Startles at loud noise
The auditory system is mature enough to startle at sudden loud sounds.
Week 32
Recognizes your voice
Baby can distinguish your voice from others and shows a preference for it after birth.
Week 35
Remembers music
Research shows babies can remember and recognize melodies heard in the womb after birth.
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