The placenta connects the developing embryo to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
Development of embryo and fetus Main articles: Prenatal development, Human embryogenesis, and Fetus The sperm and the egg cell, which has been released from one of the female's two ovaries, unite in one of the two fallopian tubes.
Ginekologia Polska (in Polish).Journal of the Royal Society of Medicine.Notable examples include Hardy's Tess of the d'Urbervilles and Goethe's Faust.MedlinePlus Breast pain Archived t Update Date : 31 December 2008.80 Some women may need professional medical advice if their diet is affected by medical conditions, food allergies, or specific religious/ ethical beliefs.Kalverboer AF, Gramsbergen.30 Estimation of due date Distribution of gestational age at childbirth among singleton live births, given both when gestational age is estimated stiletto prostitution australia by first trimester ultrasound and directly by last menstrual period.2 Globally, 44 of pregnancies are unplanned.79 Most needed weight gain occurs later in pregnancy.During the final stages of gestation before childbirth the fetus and uterus will drop to a lower position."Tennessee just became the first state that will jail women for their pregnancy outcomes".29 In case of in vitro fertilization, calculating days since oocyte retrieval or co-incubation and adding 14 days.84 In the United States and Canada, most wheat products (flour, noodles) are fortified with folic acid.44 The womb will grow to the size of a lemon by eight weeks.Ectopic pregnancy, implantation of the embryo outside the uterus.
Kramer MS, McDonald SW (July 2006).
American Journal of Respiratory and Critical Care Medicine.

50 Whenever possible, waiting for labor to begin on its own in this time period is best for the health of the mother and baby.147 In Europe, the average childbearing age has been rising continuously for some time.Platelets in hematologic and cardiovascular disorders: a clinical handbook.Preventive Services Task Force Recommendation".permanent dead link Stevenson RE, Allen WP, Pai GS, Best R, Seaver LH, Dean J, Thompson S (October 2000).Journal of Oral Science.Peripheral edema swelling of the lower limbs.Salem N, Litman B, Kim HY, Gawrisch K (September 2001).152 The unhappy scene usually called Diana and Callisto, showing the moment of discovery of Callisto 's forbidden pregnancy, is sometimes painted from the Renaissance onwards."Eating for pregnancy and breast-feeding".Urinary tract infection 26 Varicose veins.
96 Studies of routine daily iron supplementation for pregnant women found improvement in blood iron levels, without a clear clinical benefit.

128 Exercise Regular aerobic exercise during pregnancy appears to improve (or maintain) physical fitness.
71 Management Flowchart showing the recommended weight limits for lifting at work during pregnancy as a function of lifting frequency, weeks of gestation, and the position of the lifted object relative to the lifter's body.
68 Ultrasound Main article: Obstetric ultrasonography Obstetric ultrasonography can detect fetal abnormalities, detect multiple pregnancies, and improve gestational dating at 24 weeks.