-
Period: to
pregancy and prenadle development
-
Month 1
-Size: At two weeks, the size of a pin head
-Egg attaches to lining of uterus
-Critical stage for brain and spinal cord development
-Internal organs and circulatory system begin to form
-The heart begins to beat -
Month 1
-Missed menstrual period
-Other signs of pregnancy may not yet be noticeable -
Month 2
-Size: About 1/4 inch (6mm) long as month begins
-Fcae, eyes, ears, and limbs take shape
-Bones begin to form -
Month 2
-Breasts begin to swell
-Pressue on bladder from enlarging uterus results in need to urinate more frequently
-Possible nausea ("morning sickness")
-Fatigue is common -
Month 3
-Size: About 1 inch (25mm) long as month begins
-Mostrils, mouth, lips, teeth buds, and eyelids form
-Fingers and toes almost complete
-All organs present, although immature -
Month 3
-Breasts become firmer and fuller, may ache
-Nausea, fatigue, and frequent urination may continue
-Abdomen becomes slightly larger. The uterus is about the size of an orange
-Weight gain may total 2-4 pounds (0.9-1.8 kg) -
Month 4
-Size: About 3 inches (7.6 cm) long, 1 ounce (28 g) as month begins
-Can suck its thumb, swallow, hiccup, and move around
-Facial features become clearer -
Month 4
-Size: About 1/4 inch (6mm) long as month begins
-Fcae, eyes, ears, and limbs take shape
-Bones begin to form -
Month 5
-Size: About 6 1/2-7 inches (16-18 cm) long, about 4-5 ounces (113-142 g) as month begins
-Hair, eyelashes, and eyebrows appera
-Teeth continue to develop
-Organs are maturing
-Becomes more active -
Month 5
-Enlarged abdomen becomes apparent
-Slight fetal movements felt
-Increased size may begin to affect posture -
Month 6
-Size: About 8-10 inches (21-25 cm) long, about 8-12 ounces (227-340 g) as month begins
-Fat deposits under skin, but fetus appears wrinkled
-Breathing movements begin -
Month 6
-Fetal movements sensed as strong kicks, thumps, and bumps. Some may be visible
-Weight gain by the beginning of this month may total 10-12 pounds (4.5-5.4 kg) -
Month 7
-Size: About 10-12 inches (25-31 cm) long, about 1 1/2-2 pounds (680-907 g) as month begins
-Period of activity followed by periods of rest and quiet -
Month 7
-Increased size may affect posture -
Month 8
-Size: about 14-16 in. (36-41cm) long, about 2 1/2 -3 pounds (1.0- 1.4 kg) as month begins
-Weight gain continues rapidly
-May react to loud noises with a reflex jerking action
-Moves into a head-down position -
Month 8
-Discomfort may come from increased size. Backache, leg cramps, shortness of breath, and fatigueare common.
-Fetal kicks may disturb the mother's rest.
-At the beginning of this month, weight gain totals about 18-20 pounds (8.2-9.1 kg) -
Month 9
-"Lightening" felt as the fetus drops into the pelvis. Breathing becomes easier
-Other discomforts may continue
-A total weight gain of 25-35 pounds (11.3-15.9 kg) is typical
-False labor pains may be experienced -
Month 9
-Size:About 17-18 inches (43-46 cm) long, 5-6 pounds (2.3-2.7 kg) as month begins
-Weight gain continues until the week before birth
-Skin becomes smooth as fat deposits continue
-Movements decreases as the fetus has less room to move around
-Acquires diseases-fighting antibodies from the mother's blood
-Descends into pelvis, ready for birth
