Conceiving wani yãro - wani kimiyya m

Mafi yawa daga cikin "jama'a" da hanyoyin da tsinkaya da kuma shirin nan gaba jima'i na yaro ba shi da wani tushe a kimiyance. M sakamakon da aka samu a yarda da "mutane" to kai da kuma hanyoyin sau da yawa da wani bazuwar hali. Saboda haka, ra'ayin da wani yãro, shi ne mafi kyau da za a shirya tare da kimiyya m.

Bisa ga haihuwa statistics, domin kowane 100 girls da wani talakawan na 106 boys. Wannan shi ne saboda high mace-mace kudi na yara maza da lamarinsa na mata.

Da hanyoyin kimiyya na conceiving wani yaro ne a m hade da wani takamaiman sa na maniyyi chromosomes a cikin maza da kuma qwai a mace na chromosomes a lokacin hadi. Gaskiyar cewa maniyyi da kwai ƙunshi 23 chromosomes, ciki har da 22 somatic, kuma daya cewa kayyade jima'i da jariri.

A mata, da kwai ko da yaushe dauke da kawai da X-chromosome cewa kayyade yaro ta jima'i. A maza, maniyyi iya ƙunsar X, da kuma Y-chromosome.

A ci halitta wani mutum jam cell genotype: M (46 XY) ko mace (46 XX). Wancan ne, shirin wani jariri ta jima'i kayyade hade da jima'i chromosomes. Idan hade da XY chromosomes zai kasance, da shi za a haife ta maza, idan XX - yarinya.

Saboda haka, alhakin conceiving wani yaro ya ta'allaka ne gaba ɗaya a kan mahaifinsa, tun da samuwar da jima'i da yaro ya dogara da namiji sel haihuwar. Kuma da hanyoyin kimiyya da dalilin da jima'i da wani jariri a lokacin da aka haife dole ne a dogara ne a kan kaddarorin wannan musamman jam cell.

Akwai bambanci tsakanin X kuma Y maniyyi. Ma'ana tare da X-chromosome ya fi girma a cikin size, viability, amma muhimmanci fiye da hankali jam sel daga Y chromosome. A wadannan kaddarorin na namiji jam sel tushen yaro tanadi Hanyar oocyte ovulation kwanan wata.

Idan macce yin ciki a jariri daukan sanya 'yan kwanaki kafin ovulation, yiwuwar conceiving wata yarinya da aka sharply ya karu, kamar yadda a cikin al'aura fili na mata za su kasance ne kawai mafi Hardy, kuma mai yiwuwa maniyyi dauke da X-chromosome. Cewa za a hadu kawai ya bayyana kwai.

Conceiving wani yãro za a iya yi idan ya kauce daga jima'i har sai da rana ta ovulation ba kasa da mako guda, kuma jima'i faru a ranar ovulation. Sa'an nan mafi "nimble» Y-maniyyi riga X-maniyyi da kuma karfi daga gare su, da farko ya ratsa cikin kwai.

Wannan kimiyya binciken kuɓutar da "kasa" tsarin kula da bene shiryawa tare da ganewa na yaro, wanda yake a cikin wani jima'i abokin aiki. Idan ka yi jima'i mafi sau da yawa, haife wakilin karfi jima'i, da kuma idan sau da yawa dena jima'i ga 'yan kwanaki, sa'an nan wata yarinya.

A yiwuwa ba ta haifi wani yaro za a iya shafa da sauran shaida-tushen dalilai. Alal misali, acid-alkaline yanayi a cikin farji. Gaskiyar ita ce, kafin ovulation PH yanayi daga cikin farji mafi acidic. Saboda haka, da maniyyi daga namiji Y-chromosome mutu da sauri. A ranar ovulation acid-alkaline yanayi da aka canza a cikin shugabanci na alkalinization, don ƙirƙirar wani mafi dadi yanayi domin Y-maniyyi, da kuma wani yaro.

Idan mace ba ta san daidai da ranar ovulation, sa'an nan wajibi ne a daidai ƙayyade da shi ta amfani da muhimmi jiki zafin jiki ginshiƙi, Ovulation Test, ko duban dan tayi. Abun Lura a kan lokaci na farko na wannan tsari dole ne a da za'ayi a cikin 'yan hailar hawan keke. Bisa ga sakamakon, wata mace iya koya jin ovulation, ba tare da resorting to fasaha wajen, kamar a ji na ciki zafi, tashin zuciya, profuse sallama na gamsai daga haihuwa fili.

Saboda haka, conceiving wani yãro kamata a da za'ayi bayan 7-10 rana abstinence daga jima'i a lokacin ovulation. Sa'an nan muhimmanci ƙara da alama cewa yana da wani maniyyin dauke da Y-chromosome, na farko ya kai ga kwai da kuma shiga da shi, da ya haifi sabon rai.