Changes During Pregnancy: Conception to Embryo Implantation
This article discusses the various changes that take place during pregnancy, focusing specifically on the process of conception to embryo implantation. When sperm and egg unite after sexual intercourse,
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PowerPoint presentation about 'Changes During Pregnancy: Conception to Embryo Implantation'. This presentation describes the topic on This article discusses the various changes that take place during pregnancy, focusing specifically on the process of conception to embryo implantation. When sperm and egg unite after sexual intercourse,. The key topics included in this slideshow are . Download this presentation absolutely free.
Slide1Changes During Pregnancy
Slide2During conception…Sperm and egg unite after sexual intercourse.
Slide3During conception…Sperm that enter the uterus quickly swim into the Fallopian tubes.
Slide4During conception…If an ovum is present, the sperm swarm the ovum and try to break through the surface.
Slide5During conception…• Once the ovum has been fertilized, it attaches to the wall of the uterus. • Menstruation stops until the pregnancy is over .
Slide6During conception…The male determines the sex of the child.
Slide7Fetal DevelopmentMonth by Month
Slide8First Month• By 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.
Slide10Development of the baby…• Egg attaches to the lining of the uterus. • Called a zygote until it attaches to the lining of the uterus then becomes an embryo.
Slide11Changes in the mother…• Missed period • Enlarged breasts • Frequent urination
Slide13Two Months• The 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.
Slide14Changes in the mother…• Swelling of breasts • Increased urination due to pressure on bladder • Nausea (“morning sickness”)
Slide16Three 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.
Slide17Changes in the mother…• Breasts become firmer and fuller, may ache • Nausea, fatigue • Frequent urination may continue • Abdomen becomes slightly larger (the uterus is the size of an orange) • Weight gain may total 2-4 lbs.
Slide18Four Months• Baby 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.
Slide19Changes in the mother…• Appetite increases • Morning sickness is usually gone • Abdomen continues to grow slowly
Slide21Five Months • A 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.
Slide225 months: Changes in themother… • Enlarged abdomen becomes apparent • Increased size may begin to affect posture • Slight fetal movements felt
Slide23Six 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.
Slide24Six Months: Changes in themother… • Fetal movements are sensed as strong kicks, thumps, and bumps • Weight gain may total 10-12 pounds at the beginning of the month.
Slide26Seven Months• At the beginning of the seventh month, the baby weighs about 1 ½ pounds and is about 14- 16 inches long • His body is well-formed • Fingernails cover his fingertips
Slide27Eight Months• Fetus is gaining about half a pound per week , and layers of fat are piling on. • He/she has probably turned head-down in preparation for birth. • He weighs between 2 1/2 and 3 pounds .
Slide29Eight Months: Changes in themother… • Discomfort may result from increased size of abdominal area • Backache, fatigue, leg cramps, shortness of breath • Fetal kicks may disturb mother’s rest • Weight gain totals about 18-20 pounds at start of the month
Slide30Nine Months• Fetus 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.
Slide31Ninth Month: Changes in themother… • “Lightening” felt as the fetus drops into the pelvis and decreases pressure on mother’s organs • False labor pains may be experienced • A total weight gain of 25-35 lbs. is typical • Other discomfort may continue
Slide32Revised 10/15/10 K. Brown