Network Medical

Pregnancy Week by Week

Many of us think of pregnancy as lasting nine months, but a pregnancy is measured from the time of the woman’s last menstrual cycle. For this reason, a pregnancy usually lasts about ten months. These ten months are divided into three trimesters. Each trimester lasts about 13 weeks.

Receiving an ultrasound is the most accurate way to confirm a pregnancy and to determine how far along the pregnancy may be. If you believe you might be pregnant, Network Medical provides free pregnancy testing and ultrasound services.

Find out.

• What Happens during the First Month? 
  First Trimester Begins
  Week 1 - Last Menstrual Period
  Week 2 - Conception (sperm fertilizes egg)
  Week 3 - Embryo attaches to the uterus
  Week 4 - Nerves, brain and spinal cord begin to develop
• What Happens during the Second Month?
  Week 5 - Heart begins to beat
  Week 6 - Eyes, arms, legs, lungs, and stomach begin to form
  Week 7 - Hands and feet are forming
  Week 8 - Upper lip, teeth, fingers and ears begin to form
• What Happens during the Third Month?
  Week 9 - Toes and genitals are forming
  Week 10 - Baby has permanent fingerprints
  Week 11 - Baby starts to produce urine
  Week 12 - Fingernails are forming
• What Happens During the Fourth Month?
  Second Trimester Begins
  Week 13 - Baby flexes and kicks
  Week 14 - Gender can often be determined by ultrasound
  Week 15 - Skin begins to form
  Week 16 - Facial expressions are possible
• What Happens During the Fifth Month?
  Week 17 - Fat accumulates
  Week 18 - Baby begins to hear
  Week 19 - Lanugo (tiny downy hair) covers baby’s skin
  Week 20 - The halfway point
• What Happens During the Sixth Month?
  Week 21 - Nourishment evolves
  Week 22 - Taste buds develop
  Week 23 - Lungs prepare for life outside the womb
  Week 24 - Sense of balance develops
• What Happens During the Seventh Month?
  Week 25 – Eyebrows & eyelashes are usually developing
  Week 26 – Eyes remain closed
  Week 27 – Baby continues to grow
  Week 28 – Baby’s eyes open
• What Happens During the Eighth Month?
  Third Trimester Begins
  Week 29 – Movement is more forceful
  Week 30 – Baby packs on pounds
  Week 31 – Reproductive development continues
  Week 32 – Downy hair falls off
• What Happens During the Ninth Month?
  Week 33 – Baby detects light
  Week 34 – Protective coating gets thicker
  Week 35 – Rapid growth continues
  Week 36 – Baby can suck
• What Happens During the Tenth Month?
  Week 37 – Baby is full-term
  Week 38– Organ function continues to improve
  Week 39 – Placenta provides antibodies
  Week 40 – Your due date arrives