The first sign of the growing foetus may be noticed by listening to the heart sound carefully through the stethoscope. The embryo's heart is formed . . . . . . .
- ABy the end of the second month of pregnancy
- BBy the end of the first trimester
- CAfter one month of pregnancy
- DDuring the fifth month
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Similar Questions
In a urine analysis,the presence of which of the following indicates pregnancy?
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View SolutionMatch the columns:
Column $I$ Column $II$ $(a)$ Third week $(1)$ Development of pre-umbilical cord $(b)$ Third month $(2)$ Body develops but head remains big $(c)$ Fourth week $(3)$ Embryonic slit widens $(d)$ Fourth month $(4)$ Muscles activate
| Column $I$ | Column $II$ |
|---|---|
| $(a)$ Third week | $(1)$ Development of pre-umbilical cord |
| $(b)$ Third month | $(2)$ Body develops but head remains big |
| $(c)$ Fourth week | $(3)$ Embryonic slit widens |
| $(d)$ Fourth month | $(4)$ Muscles activate |
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View SolutionWhich of the following decidua layer forms a partition between the developing embryo and the lumen of the uterus?
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View SolutionRelative sizes of an egg cell,morula,blastula,and gastrula are:
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View SolutionProgesterone is secreted by:
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