Your 40-week pregnancy journey.
Every week explained in plain language - baby size, growth milestones, body changes, and what to do next, vetted against Indian OB-GYN guidance.
First Trimester
Conception, implantation and rapid organ formation. Hormones drive nausea and fatigue.
Week 1
Poppy seed
Week 1 is counted from the first day of your last menstrual period. You are not pregnant yet — your body is preparing to ovulate.
Week 2
Sesame seed
Ovulation typically happens around the end of this week. Sperm and egg may meet within 12–24 hours of ovulation.
Week 3
Pinhead
Fertilization occurs. A single-cell zygote divides as it travels down the fallopian tube toward the uterus.
Week 4
Poppy seed
Implantation in the uterine lining. The placenta and amniotic sac start to form. A home pregnancy test can turn positive late this week.
Week 5
Apple seed
The embryo's heart tube begins to beat. Major organ systems start to form.
Week 6
Sweet pea
A flickering heartbeat may be visible on a transvaginal ultrasound. Limb buds appear.
Week 7
Blueberry
The brain is developing fast. Tiny facial features begin to take shape.
Week 8
Raspberry
All major organs are forming. The embryo starts to make spontaneous movements.
Week 9
Cherry
Embryo officially becomes a fetus. Tiny muscles allow first reflex movements.
Week 10
Strawberry
Vital organs are functional. Fingernails and hair follicles begin to form.
Week 11
Fig
Baby is moving a lot, though you can't feel it yet. External genitalia begin to differentiate.
Week 12
Lime
End of the first trimester. Miscarriage risk drops sharply. Many announce their pregnancy now.
Second Trimester
The energy comeback. Bump shows, kicks begin, anomaly scan at 18-22 weeks.
Week 13
Lemon
Welcome to the second trimester — often the most comfortable phase.
Week 14
Peach
Baby can make facial expressions like squinting and frowning. You may start showing.
Week 15
Apple
Baby is highly active in the amniotic fluid. Tiny taste buds develop.
Week 16
Avocado
Baby can hear muffled sounds. Eye movements begin.
Week 17
Pear
Baby's skeleton hardens from cartilage to bone. Fat layers begin to form.
Week 18
Bell pepper
First-time moms may feel quickening this week. Schedule the anomaly scan.
Week 19
Mango
Vernix caseosa — a waxy coating — protects baby's skin in amniotic fluid.
Week 20
Banana
Halfway there. The anomaly scan checks structure and growth.
Week 21
Carrot
Baby's movements are now distinct kicks and stretches.
Week 22
Spaghetti squash
Senses develop quickly. Baby can perceive light and sound.
Week 23
Large mango
Lungs prepare for life outside by practising breathing motions.
Week 24
Corn cob
Viability milestone — most babies born after 24 weeks survive with NICU care.
Week 25
Cauliflower
Baby's nostrils open and capillaries form under skin.
Week 26
Lettuce
Eyes open for the first time. Baby may respond to bright light through the belly.
Week 27
Cabbage
End of the second trimester. Baby has sleep-wake cycles.
Third Trimester
Baby gains weight fast. You prepare for delivery - bags packed, hospital chosen.
Week 28
Eggplant
Welcome to the third trimester. Visits become more frequent.
Week 29
Butternut squash
Baby's bones harden but skull stays soft for delivery.
Week 30
Cucumber
Baby's brain is developing rapidly. Amniotic fluid level peaks soon.
Week 31
Coconut
Brain connections multiply. Baby can turn its head side to side.
Week 32
Jicama
Most babies turn head-down between now and 36 weeks.
Week 33
Pineapple
Immune system gets a boost from antibodies via the placenta.
Week 34
Cantaloupe
Central nervous system matures. Most babies are head-down.
Week 35
Honeydew melon
Baby is gaining roughly 220 g per week and filling out.
Week 36
Romaine lettuce
Baby drops into the pelvis (lightening) for many first-time moms.
Week 37
Swiss chard
Early term. Baby is officially term-ready but ideally stays until 39 weeks.
Week 38
Leek
Baby's organs are ready for life outside.
Week 39
Mini watermelon
Full term. Baby can arrive any day now.
Week 40
Pumpkin
Due date week. Only ~5% of babies are born on the exact due date.