8First MonthBy the end of the two weeks, the zygote is about the size of a pin head.The heart, which is no larger than a poppy seed, has begun beating.Egg has attached itself to the lining of the uterus.
13Two MonthsThe embryo is about 1/4 inch long and has distinct, slightly webbed fingers.Face, eyes, ears, and limb have developed.Veins are clearly visible.Heart has divided into right and left chambers.Changes into an embryo at the end of eight weeks.
14Increased urination due to pressure on bladder Changes in the mother…Swelling of breastsIncreased urination due to pressure on bladderNausea (“morning sickness”)
16Three Months By now the fetus is 1 inch long and is fully formed. He has begun swallowing and kicking.All organs and muscles have formed and are beginning to function.
17Changes in the mother… Breasts become firmer and fuller, may ache Nausea, fatigueFrequent urination may continueAbdomen becomes slightly larger (the uterus is the size of an orange)Weight gain may total 2-4 lbs.
18Four MonthsBaby is covered with a layer of thick, downy hair called lanugo.His heartbeat can be heard clearly. This is when you may feel your baby's first kick.Size about 3 inches long, weighs 1 ounce.
19Changes in the mother… Appetite increases Morning sickness is usually goneAbdomen continues to grow slowly
21Five MonthsA protective coating called vernix caseosa begins to form on baby's skin. At this time the baby is about 6 ½-7 inches long and weigh almost 4-5 ounces.
225 months: Changes in the mother… Enlarged abdomen becomes apparentIncreased size may begin to affect postureSlight fetal movements felt
23Six Months Eyebrows and eyelids are visible. The baby's lungs are filled with amniotic fluid, and he/she has started breathing motions.If the mother talks or sings, the baby can hear.8-10 inches, about 8-12 ounces.
24Six Months: Changes in the mother… Fetal movements are sensed as strong kicks, thumps, and bumpsWeight gain may total pounds at the beginning of the month.
29Eight Months: Changes in the mother… Discomfort may result from increased size of abdominal areaBackache, fatigue, leg cramps, shortness of breathFetal kicks may disturb mother’s restWeight gain totals about pounds at start of the month
30Nine MonthsFetus is a hefty 5 to 6 pounds and measures between 17 and 18 inches. As he becomes more crowded, the mother may feel him move around less.
31Ninth Month: Changes in the mother… “Lightening” felt as the fetus drops into the pelvis and decreases pressure on mother’s organsFalse labor pains may be experiencedA total weight gain of lbs. is typicalOther discomfort may continue