Pregnancy Development Month by Month

By Kyrahhester

  • Missed menstral period

  • size at 2 weeks, the size of a pin head

  • Germinal stage

  • Period: to

    Month By Month

  • 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

  • Conception happens when the ovum is relased from the ovary and is fertilized by the sper in the fallopian tubes forming a zygote. The lining of the uterus thickens and the zygote then drops to the uterus and imbeads itself in the the uterine lining

    Conception happens when the ovum is relased from the ovary and is fertilized by the sper in the fallopian tubes forming a zygote. The lining of the uterus thickens and the zygote then drops to the uterus and imbeads itself in the the uterine lining

  • Preassure on blatter from enlarging usterus results in more frequent needs to pee

  • possible nausea

  • Breasts begin to swell

    • Breast begin to swell

  • size: about 1/4 inch (6mm)

  • face,eyes,ears, and limbs take shape

  • bones begin to form

  • Fatigue is common

  • The zygote first divides into two cells, then into four, eight, sixteen, and so on. Once the eight cell point has been reached, the cells begin to differentiate and take on certain characteristics that will determine the type of cells they will eventually

    The zygote first divides into two cells, then into four, eight, sixteen, and so on. Once the eight cell point has been reached, the cells begin to differentiate and take on certain characteristics that will determine the type of cells they will eventually become. As the cells multiply, they will also separate into two distinctive masses: the outer cells will eventually become the placenta while the inner cells will form the embryo.

  • Breasts becom 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

  • size: about 1 in as month begins

  • nostrils, mouth, lips, theeth buds, and eye lids form

  • fingers and toes almost complete

  • all organs present, but immature

  • weight gain may total 2-4 pounds

  • Implantation occurs when the cells nestle into the uterine lining and rupture tiny blood vessels. The connective web of blood vessels and membranes that forms between them will provide nourishment for the developing being for the next nine months

    Implantation occurs when the cells nestle into the uterine lining and rupture tiny blood vessels. The connective web of blood vessels and membranes that forms between them will provide nourishment for the developing being for the next nine months

  • Abdomen continues to grow slowly

  • most discomforts of early pregnancy, such as morning sickness, usually gone

  • Embryonic stage

  • appetite increases

  • about 3 inches long 1 ounce as month begins

  • can suck its thumb, swallow, hiccup,and mover around

  • facial features become clearer

  • the average length of pregnancy is 40weeks or 280 days

  • enlarged abdomen becomes apparent

  • slight fetal movements felt

  • increased size may being to affect posture

  • about 6 1/2-7 inches long, about 4-5 ounces as month begins

  • hair,eyelashes,and eyebrows appear

  • theeth continue to develop

  • organs are maturing

  • becomes more active

  • Fetal movements sensed as strong kicks, thumps, and bumps. Some may be visible

  • Weight gaining may total 10-12 pounds

  • about 8-10 inches long, about 8-12 ounces

  • fat deposit under skin, but fetus appears wrinkled

  • breathing movement begins

  • the mother begins feeling movement 4-5 months after conception. It is important to share this with your doctor so they can check to see if the baby is okay and to make sure that the baby stays healthy.

    the mother begins feeling movement 4-5 months after conception. It is important to share this with your doctor so they can check to see if the baby is okay and to make sure that the baby stays healthy.

  • increased size may affect posture

  • Fetal stage

  • about 10-12 inches long, 1 1/2-3 pounds

  • periods of activity followed by periods of rest and quiet

  • the baby can live outside of the mother at 7 months

  • discomfort may result from increased size. Backache, leg cramps, shortness of breath, and fatigue are common

  • Fetal kicks may disturb mother's rest

  • Weight gain totals about 18-20 pounds.

  • 14-16 inches, 2.5-3 pounds

  • weight gain contiues rapidly

  • mat react to loud noises with a reflex jerking action

  • moves into a head down position

  • Fetus drops into pelvis. Breathing becomes easier

  • discomforts may contiune

  • total weight gain of 25-35 pounds

  • 17-18inches, 5-6lbs

  • weight gain continues until the week before birth

  • skin becomes amooth as fat deposits continue

  • movement decrease as the fetus has less room to move around

  • acquires disease fighting antibodies from the mothers blood

  • descends into pelvis, ready for birth

  • false labor pains may be experienced