| foetal gigantism | Excessive foetal or newborn size, e.g., cerebral gigantism and infants of diabetic mothers. (05 Mar 2000) |
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| foetal growth retardation | The failure of a foetus to maintain its expected growth potential at any gestational stage. (12 Dec 1998) |
| foetal habitus | Relationship of one foetal part to another. Synonym: foetal attitude. (05 Mar 2000) |
| foetal haemoglobin | <chemical> The form of haemoglobin normally comprising more than half of the haemoglobin in the foetus, composed of two alpha and two gamma polypeptides. It is also present in minimal amounts in adulthood and is abnormally elevated in aplastic anaemia, leukaemia, and certain types of thalassaemia. It has higher affinity for oxygen under physiologic conditions than does haemoglobin a. Chemical name: Haemoglobin F (12 Dec 1998) |
| foetal heart | The heart of the foetus of any viviparous animal. It refers to the heart in the postembryonic period and is differentiated from the embryonic heart (heart/embryology) only on the basis of time. (12 Dec 1998) |
| foetal hydantoin syndrome | <syndrome> A foetal syndrome resulting from maternal ingestion of hydantoin analogues (e.g., phenytoin), characterised by growth deficiency, mental deficiency, dysmorphic facies, cleft palate and/or lip, cardiac defects, and abnormal genitalia. (05 Mar 2000) |
| foetal hydrops | <radiology> Immune, Rh sensitization (erythroblastosis foetalis), non-immune, thalassaemia, structural defects (e.g., lung tumour), cardiac arrhythmia (secondary to conduction defect), ultrasound findings: foetal ascites and/or pleural or pericardial effusion, subcutaneous oedema, polyhydramnios, thick, hydropic placenta (12 Dec 1998) |
| foetal inclusion | Unequal conjoined twins in which the incompletely developed parasite is wholly enclosed in the autosite. (05 Mar 2000) |
| foetal macrosomia | A complication of gestational diabetes mellitus or prolonged pregnancy. A macrosomic foetus is defined as weighing more than 4000 grams. (12 Dec 1998) |
| foetal medicine | Study of the growth, development, care, and treatment of the foetus, and of environmental factors harmful to the foetus. Synonym: fetology. (05 Mar 2000) |
| foetal membrane | A structure or tissue that develops from the fertilised ovum but does not form part of the embryo proper. Synonym: embryonic membrane, extraembryonic membrane. (05 Mar 2000) |
| foetal membranes | Thin layers of tissue which surround the embryo or foetus and provide for its nutrition, respiration, excretion and protection; they are the yolk sac, allantois, amnion, and chorion. (12 Dec 1998) |
| foetal membranes, premature rupture | Spontaneous rupture of amniotic sac before the onset of uterine contractions. (12 Dec 1998) |
| foetal monitoring | Physiologic or biochemical monitoring of the foetus. It is usually done during labour and may be performed in conjunction with the monitoring of uterine activity. It may also be performed prenatally as when the mother is undergoing surgery. (12 Dec 1998) |
| foetal movement | <obstetrics> Movement of the foetus in the womb perceived by the mother and felt by palpation of the abdomen. The first foetal movements felt by the mother during pregnancy (quickening) are usually between18 and 22 weeks of pregnancy. (08 Mar 2000) |