Results 251 to 260 of about 810,249 (305)
Some of the next articles are maybe not open access.
Pregnancy Test using Male Toads
Nature, 1949STARTING in November 1948, a series of tests1 for pregnancy were performed using the native male toad, Bufo melanostictus Schneid. Specimens of urine from women pregnant from six weeks to seven months were used. In each series, two or more experimental toads were used.
openaire +2 more sources
Pregnancy Test using Male Anura
Nature, 1949CONFIRMING the validity of the Galli-Mainini test for pregnancy in the male toad Bufo arenarum1 and referring to the suitability of B. marinus2 and Rana pipiens3, Haines4 raises the question of the possible suitability of two European species, B. bufo and R. temporaria. We have demonstrated5 the suitability of a European frog, R.
openaire +2 more sources
PREGNANCY TEST USING THE MALE BATRACHIA
Journal of the American Medical Association, 1948In March 1947 I 1 published the first results of a new biologic pregnancy test, in which male toads, "Bufo arenarum Hensel," were used as the reacting animals. One year has elapsed since the first experiments were made, in January 1947, and it is believed useful and desirable to summarize the information obtained since then from the accumulated ...
openaire +2 more sources
Couvade Syndrome: Male Counterpart to Pregnancy
The International Journal of Psychiatry in Medicine, 1991Couvade is the common but poorly understood phenomenon whereby the expectant father experiences somatic symptoms during the pregnancy for which there is no recognized physiological basis. Symptoms commonly include indigestion, increased or decreased appetite, weight gain, diarrhea or constipation, headache, and toothache.
openaire +2 more sources
Reduced cannibalism during male pregnancy
Behaviour, 2016Cannibalism provides energetic benefits but is also potentially costly, especially when directed towards kin. Since fitness costs increase with time and energy invested in offspring, cannibalism should be infrequent when parental investment is high. Thus, filial cannibalism in male syngnathids, a group known for the occurrence of male pregnancy, should
M. Cunha +3 more
openaire +1 more source
Pregnancy Test using the Male Toad
Nature, 1948THROUGH the kindness of the originator of the test, who forwarded us a supply of Bufo arenarum Hensel, we have recently been able to carry out the Galli Mainini male toad test for pregnancy.
openaire +2 more sources
PREGNANCY TEST USING THE MALE TOAD
The Journal of Clinical Endocrinology & Metabolism, 1947IN THIS report a new pregnancy test is described, in which the male toad (Bufo arenarum Hensel) is used as the reacting animal. The positivity or negativity of the test is determined by the presence or absence of spermatozoa in the urine of the toad previously injected with the urine of a woman suspected to be pregnant.
openaire +2 more sources
Male gender predisposes to prolongation of pregnancy
American Journal of Obstetrics and Gynecology, 2002The purpose of this study was to evaluate the association between fetal gender and prolonged pregnancy.All deliveries in Sweden between 1987 and 1996 were evaluated for participation in this study. Inclusion criteria included (1) singleton pregnancy, (2) the absence of apparent congenital or chromosomal anomalies, (3) accurate dating established by ...
Michael Y, Divon +3 more
openaire +2 more sources
Negro folklore of male pregnancy∗
Journal of Sex Research, 1968(1968). Negro folklore of male pregnancy. The Journal of Sex Research: Vol. 4, No. 1, pp. 34-50.
John Money, Geoffrey Hosta
openaire +1 more source
Recurrent Delusions of Pregnancy in a Male
Psychopathology, 1999Delusions of pregnancy in men have been reported rather infrequently. This case report is of a male schizophrenic patient who developed a delusion of pregnancy on two successive occasions each time when his wife became pregnant. The authors view briefly various aetiological hypotheses of delusions of pregnancy and whether the couvade phenomenon had any
R, Radhakrishnan +2 more
openaire +2 more sources

